M:tG card similarity search
3UB · Legendary Creature — Zombie Warrior
Grimgrin, Corpse-Born enters the battlefield tapped and doesn't untap during your untap step. Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it. Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin. 5/5
| Name | Mana | Type | Text | 
|---|---|---|---|
| Intruder Alarm | 2U | Enchantment | Creatures don't untap during their controllers' untap steps. Whenever a creature enters the battlefield, untap all creatures. | 
| White Dragon | 4WW | Creature — Dragon | Flying Cold Breath — When White Dragon enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. 4/4 | 
| Kor Hookmaster | 2W | Creature — Kor Soldier | When Kor Hookmaster enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. 2/2 | 
| The Fifth Doctor | 2WU | Legendary Creature — Time Lord Doctor | Peaceful Coexistence — At the beginning of your end step, put a +1/+1 counter on each creature you control that didn't attack or enter the battlefield this turn. Untap those creatures. 2/2 | 
| Unity of Purpose | 3U | Instant | Support 2. (Put a +1/+1 counter on each of up to two target creatures.) Untap each creature you control with a +1/+1 counter on it. | 
| Wrath of Marit Lage | 3UU | Enchantment | When Wrath of Marit Lage enters the battlefield, tap all red creatures. Red creatures don't untap during their controllers' untap steps. | 
| Sanguine Glorifier | 3W | Creature — Vampire Cleric | When Sanguine Glorifier enters the battlefield, put a +1/+1 counter on another target Vampire you control. 3/3 | 
| Entangling Trap | 1W | Enchantment | Whenever you clash, tap target creature an opponent controls. If you won, that creature doesn't untap during its controller's next untap step. (This ability triggers after the clash ends.) | 
| Skyline Cascade | Land | Skyline Cascade enters the battlefield tapped. When Skyline Cascade enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step. {T}: Add {U}. | |
| Watertrap Weaver | 2U | Creature — Merfolk Wizard | When Watertrap Weaver enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. 2/2 |