When Bloom Hulk enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Keyword: Proliferate
Merfolk Skydiver
Flying
When Merfolk Skydiver enters the battlefield, put a +1/+1 counter on target creature you control.
: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Pollenbright Druid
When Pollenbright Druid enters the battlefield, choose one —
• Put a +1/+1 counter on target creature.
• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Grateful Apparition
Flying
Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Kiora’s Dambreaker
When Kiora’s Dambreaker enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Roalesk, Apex Hybrid
Flying, trample
When Roalesk, Apex Hybrid enters the battlefield, put two +1/+1 counters on another target creature you control.
When Roalesk dies, proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)
Martyr for the Cause
When Martyr for the Cause dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Planewide Celebration
Choose four. You may choose the same mode more than once.
• Create a 2/2 Citizen creature token that’s all colors.
• Return target permanent card from your graveyard to your hand.
• Proliferate.
• You gain 4 life.
Evolution Sage
Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Courage in Crisis
Put a +1/+1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Wanderer’s Strike
Exile target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Karn’s Bastion
: Add .
, : Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Huatli’s Raptor
Vigilance
When Huatli’s Raptor enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Tezzeret’s Gambit
( can be paid with either or 2 life.)
Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Atraxa, Praetors’ Voice
Flying, vigilance, deathtouch, lifelink
At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Thrummingbird
Flying
Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Everythingamajig
, : Move a counter from one permanent onto another. If the second permanent refers to any kind of counter, the moved counter becomes one of those counters. Otherwise, it becomes a +1/+1 counter.
, : Put a +1/+1 counter on target creature.
, : Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Atraxa, Praetors’ Voice
Flying, vigilance, deathtouch, lifelink
At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Thrummingbird
Flying
Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Tezzeret’s Gambit
( can be paid with either or 2 life.)
Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Atraxa, Praetors’ Voice
Flying, vigilance, deathtouch, lifelink
At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Spread the Sickness
Destroy target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Grim Affliction
Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Steady Progress
Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Draw a card.
Thrummingbird
Flying
Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)