Confidence:StrongSolidPlausibleTentativeSpeculative

• Mila, Crafty Companion // Lukka, Wayward Bonder

  1WW4RR

  Legendary Creature — Fox // Legendary Planeswalker — LukkaRW

  Both cards blink (exile-and-return) creatures — their effects stack.
• Masterwork of Ingenuity

  1

  Artifact — EquipmentC

  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.).
• Goryo's Vengeance

  1B

  Instant — ArcaneB

  Both cards blink (exile-and-return) creatures — their effects stack.
• Shallow Grave

  1B

  InstantB

  Both cards blink (exile-and-return) creatures — their effects stack.
• Whip of Erebos

  2BB

  Legendary Enchantment ArtifactB

  Both cards blink (exile-and-return) creatures — their effects stack.
• Dawn of the Dead

  2BBB

  EnchantmentB

  Both cards blink (exile-and-return) creatures — their effects stack.
• Legion's Initiative

  RW

  EnchantmentRW

  Both cards blink (exile-and-return) creatures — their effects stack.
• Wake to Slaughter

  3BR

  SorceryBR

  Both cards blink (exile-and-return) creatures — their effects stack.
• The Fourteenth Doctor

  R/GWU

  Legendary Creature — Time Lord DoctorGRUW

  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.).
• Sakashima's Protege

  4UU

  Creature — 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.).
• Planar Guide

  W

  Creature — Human ClericW

  Both cards blink (exile-and-return) creatures — their effects stack.
• Gilraen, Dúnedain Protector

  2W

  Legendary Creature — Human NobleW

  Both cards blink (exile-and-return) creatures — their effects stack.
• Postmortem Lunge

  XB/P

  SorceryB

  Both cards blink (exile-and-return) creatures — their effects stack.
• Identity Thief

  2UU

  Creature — ShapeshifterU

  Both cards blink (exile-and-return) creatures — their effects stack.
• Phoenix Down

  W

  ArtifactW

  Both cards blink (exile-and-return) creatures — their effects stack.
• Angel of Glory's Rise

  5WW

  Creature — AngelW

  Both cards blink (exile-and-return) creatures — their effects stack.
• Vanish into Memory

  2WU

  InstantUW

  Both cards blink (exile-and-return) creatures — their effects stack.
• Waxen Shapethief

  3U

  Creature — 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.).
• Colossal Whale

  5UU

  Creature — WhaleU

  Both cards blink (exile-and-return) creatures — their effects stack.
• Parting Gust

  WW

  InstantW

  Both cards blink (exile-and-return) creatures — their effects stack.
• Kheru Lich Lord

  3BGU

  Creature — Zombie WizardBGU

  Both cards blink (exile-and-return) creatures — their effects stack.
• Phyrexian Metamorph

  3U/P

  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.).
• The Mimeoplasm

  2BGU

  Legendary Creature — OozeBGU

  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.).
• Clever Impersonator

  2UU

  Creature — 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.).
• Spark Double

  3U

  Creature — IllusionU

  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.).