M:tG card similarity search
2BB · Enchantment
At the beginning of your upkeep, create X 2/2 black Zombie creature tokens, where X is half the number of Zombies you control, rounded down.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Vigil for the Lost | 3W | Enchantment | Whenever a creature you control dies, you may pay {X}. If you do, you gain X life. | 
| Apocalypse Hydra | XRG | Creature — Hydra | Apocalypse Hydra enters the battlefield with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counters on it. {1}{R}, Remove a +1/+1 counter from Apocalypse Hydra: It deals 1 damage to any target. 0/0 | 
| Icatian Town | 5W | Sorcery | Create four 1/1 white Citizen creature tokens. | 
| Dwarven Catapult | XR | Instant | Dwarven Catapult deals X damage divided evenly, rounded down, among all creatures target opponent controls. | 
| Old Fogey | GG | Summon — Dinosaur | Phasing, cumulative upkeep {1}, echo {G}{G}, fading 3, bands with other Dinosaurs, protection from Homarids, snow-covered plainswalk, flanking, rampage 2 7/7 | 
| Plaguebearer | 1B | Creature — Zombie | {X}{X}{B}: Destroy target nonblack creature with mana value X. 1/1 | 
| Wurmcalling | XG | Sorcery | Buyback {2}{G} (You may pay an additional {2}{G} as you cast this spell. If you do, put this card into your hand as it resolves.) Create an X/X green Wurm creature token. | 
| HELIOS One | Land | {T}: Add {C}. {1}, {T}: You get {E} (an energy counter). {3}, {T}, Pay X {E}, Sacrifice HELIOS One: Destroy target nonland permanent with mana value X. Activate only as a sorcery. | |
| Monastery Mentor | 2W | Creature — Human Monk | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a noncreature spell, create a 1/1 white Monk creature token with prowess. 2/2 | 
| Hissing Quagmire | Land | Hissing Quagmire enters the battlefield tapped. {T}: Add {B} or {G}. {1}{B}{G}: Hissing Quagmire becomes a 2/2 black and green Elemental creature with deathtouch until end of turn. It's still a land. |