M:tG card similarity search
1G · Creature — Beast
Whenever a creature you control mutates, put a +1/+1 counter on that creature and you gain 2 life. 2/2
| Name | Mana | Type | Text | 
|---|---|---|---|
| Blood Host | 3BB | Creature — Vampire | {1}{B}, Sacrifice another creature: Put a +1/+1 counter on Blood Host and you gain 2 life. 3/3 | 
| Nykthos Paragon | 4WW | Enchantment Creature — Human Soldier | Whenever you gain life, you may put that many +1/+1 counters on each creature you control. Do this only once each turn. 4/6 | 
| Ageless Entity | 3GG | Creature — Elemental | Whenever you gain life, put that many +1/+1 counters on Ageless Entity. 4/4 | 
| Lifecrafter's Gift | 3G | Instant | Put a +1/+1 counter on target creature, then put a +1/+1 counter on each creature you control with a +1/+1 counter on it. | 
| Righteous Cause | 3WW | Enchantment | Whenever a creature attacks, you gain 1 life. | 
| A-Vampire Scrivener | 3B | Creature — Vampire Warlock | Flying Whenever you gain life during your turn, put a +1/+1 counter on Vampire Scrivener. Whenever you lose life during your turn, put a +1/+1 counter on Vampire Scrivener. 2/2 | 
| Hallowed Priest | 1W | Creature — Human Cleric | Whenever you gain life, put a +1/+1 counter on Hallowed Priest. 1/1 | 
| Sultai Flayer | 3G | Creature — Naga Shaman | Whenever a creature you control with toughness 4 or greater dies, you gain 4 life. 3/4 | 
| Trelasarra, Moon Dancer | GW | Legendary Creature — Elf Cleric | Whenever you gain life, put a +1/+1 counter on Trelasarra, Moon Dancer and scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) 2/2 | 
| Landbind Ritual | 3WW | Sorcery | You gain 2 life for each Plains you control. |