15 more formats
Confidence:StrongSolidPlausibleTentativeSpeculative
- EnchantmentU
One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
- 3WUCreature — Human KnightUW
One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
- Enchantment — AuraU
One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
- Creature — Elf ScoutG
Copperhorn Scout untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Creature — Orc ClericW
White Plume Adventurer untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Creature — Spirit // Enchantment — AuraU
One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
- Creature — Human KnightGW
Veteran Beastrider untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Legendary Creature — Time Lord DoctorGU
The Thirteenth Doctor untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Creature — SpiritW
Drumbellower untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Legendary Creature — Orc Shaman // Legendary Creature — Human ClericRW
Plargg, Dean of Chaos untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Legendary Creature — Trill AdvisorW
One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
- InstantU
Intellectual Offering untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Enchantment — Room // Enchantment — RoomW
Dazzling Theater untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Legendary Creature — Human KnightR
Éomer, Marshal of Rohan untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Legendary Planeswalker — GideonW
Gideon, Martial Paragon untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Creature — Human WizardGU
Prophet of Kruphix untaps all (or many) permanents, refreshing Inside Source's tap activation.
- EnchantmentU
Unstoppable Plan untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Creature — ElephantBGW
Ivorytusk Fortress untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Legendary Planeswalker — JaceU
Jace, Ingenious Mind-Mage untaps all (or many) permanents, refreshing Inside Source's tap activation.
- ArtifactR
One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
- Creature — Human Shapeshifter AssassinBU
One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
- Legendary Creature — Spirit DragonBGW
Betor, Kin to All untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Legendary Creature — Human WizardR
Copy engine: one card makes copies of a creature — once a turn, or once for each time you pay its cost — and each copy pays off: the creature's enter-the-battlefield effect fires again, or the hasty copy uses its tap ability. Real, repeatable value — every copy has its turn or its price, so it never goes infinite on its own.
- Legendary Creature — AngelRW
Aurelia, the Warleader untaps all (or many) permanents, refreshing Inside Source's tap activation.
- Creature — Human WarriorR
Combat Celebrant untaps all (or many) permanents, refreshing Inside Source's tap activation.
MTG Arena only
Synergies with cards played only on MTG Arena (including Arena rebalances). They aren't available in paper Magic.
Confidence:StrongSolidPlausibleTentativeSpeculative
- Artifact Creature — Phyrexian ShapeshifterU
One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
- EnchantmentG
Both cards trigger when a creature enters the battlefield — they fire together.
- Creature — Bat ClericB
Both cards trigger when a creature enters the battlefield — they fire together.
- Legendary Creature — Human NobleGRW
Both cards trigger when a creature enters the battlefield — they fire together.
- Legendary Creature — Human AssassinG
Both cards trigger when a creature enters the battlefield — they fire together.
- Creature — Frog DruidBG
Both cards trigger when a creature enters the battlefield — they fire together.
- Enchantment Creature — NightmareB
Fear of Ridicule creates token copies, feeding Inside Source's ETB or copy payoff.
- Creature — InsectG
Both cards trigger when a creature enters the battlefield — they fire together.
- Legendary Creature — Bird MonkRUW
Xho Cai, Flickering Talon blinks (exiles and returns) a permanent, re-firing Inside Source's enter-the-battlefield effect.
- Legendary Creature — Human ClericUW
Niambi, Beloved Protector returns creatures from the graveyard to the battlefield, re-firing Inside Source's enter-the-battlefield effect.
- Creature — Elf DruidGRW
Both cards trigger when a creature enters the battlefield — they fire together.
- Artifact Creature — Equipment PhoenixR
Forgeborn Phoenix returns creatures from the graveyard to the battlefield, re-firing Inside Source's enter-the-battlefield effect.
- EnchantmentUW
Both cards trigger when a creature enters the battlefield — they fire together.
- SorceryB
Feed the Bog returns creatures from the graveyard to the battlefield, re-firing Inside Source's enter-the-battlefield effect.
- Legendary Artifact — SpacecraftW
Candela, Aegis of Adagia bounces a permanent, enabling Inside Source's recast / spell-cast trigger.
- Creature — Dragon // Sorcery — OmenGRU
Stonehide Ancient bounces a permanent, enabling Inside Source's recast / spell-cast trigger.
- Creature — Vampire SoldierB
Legion Reconsecrator returns creatures from the graveyard to the battlefield, re-firing Inside Source's enter-the-battlefield effect.
- Legendary Planeswalker — TeferiUW
A-Teferi, Time Raveler bounces a permanent, enabling Inside Source's recast / spell-cast trigger.
- Creature — HumanC
Ominous Traveler bounces a permanent, enabling Inside Source's recast / spell-cast trigger.
- Creature — Human ClericW
Both cards trigger when a creature enters the battlefield — they fire together.
- Artifact Creature — ConstructB
Forgefire Automaton returns creatures from the graveyard to the battlefield, re-firing Inside Source's enter-the-battlefield effect.
- InstantU
Paths of Tuinvale bounces a permanent, enabling Inside Source's recast / spell-cast trigger.
- InstantBU
Vesuvan Mist bounces a permanent, enabling Inside Source's recast / spell-cast trigger.
- SorceryW
Honor the Past returns creatures from the graveyard to the battlefield, re-firing Inside Source's enter-the-battlefield effect.
- Creature — Faerie WizardU
Talion's Throneguard bounces a permanent, enabling Inside Source's recast / spell-cast trigger.
Ferocious Pup2GCreature — WolfG
Person of Interest3RCreature — Human RogueR
Knight of the New Coalition3WCreature — Human KnightW
Gallant Cavalry3WCreature — Human KnightW
Irregular Cohort2WWCreature — ShapeshifterW
Drunau Corpse Trawler3UCreature — ZombieBU
Heartstring Puller3RCreature — Elf SorcererR
Embalmed Ascendant1WBCreature — ZombieBW
Mighty Mutanimals2WWCreature — Mutant RebelW
Living History1REnchantmentR
Splinter & Leo, Father & Son2WLegendary Creature — Mutant Ninja Rat TurtleW
Caller of the Claw2GCreature — ElfG