M:tG card similarity search
3BB · Creature — Horror
Roiling Horror's power and toughness are each equal to your life total minus the life total of an opponent with the most life. Suspend X—{X}{B}{B}{B}. X can't be 0. (Rather than cast this card from your hand, you may pay {X}{B}{B}{B} and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.) Whenever a time counter is removed from Roiling Horror while it's exiled, target player loses 1 life and you gain 1 life. */*
| Name | Mana | Type | Text |
|---|---|---|---|
| Inkfathom Witch | 1U/B | Creature — Merfolk Wizard | Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) {2}{U}{B}: Each unblocked creature has base power and toughness 4/1 until end of turn. 1/1 |
| Plague Wind | 7BB | Sorcery | Destroy all creatures you don't control. They can't be regenerated. |
| Guardian Scalelord | 4W | Creature — Dragon | Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following abilities until end of turn.) Flying Whenever this creature attacks, return target nonland permanent card with mana value X or less from your graveyard to the battlefield, where X is this creature's power. 3/4 |
| Catacomb Dragon | 4BB | Creature — Dragon | Flying Whenever Catacomb Dragon becomes blocked by a nonartifact, non-Dragon creature, that creature gets -X/-0 until end of turn, where X is half the creature's power, rounded down. 4/4 |
| Lair of the Hydra | Land | If you control two or more other lands, Lair of the Hydra enters the battlefield tapped. {T}: Add {G}. {X}{G}: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0. | |
| Triumph of Cruelty | 2B | Enchantment | At the beginning of your upkeep, target opponent discards a card if you control the creature with the greatest power or tied for the greatest power. |
| Calamity's Wake | 1W | Instant | Exile all graveyards. Players can't cast noncreature spells this turn. Exile Calamity's Wake. |
| Queen Allenal of Ruadach | GWW | Legendary Creature — Elf Noble | Queen Allenal of Ruadach's power and toughness are each equal to the number of creatures you control. If one or more creature tokens would be created under your control, those tokens plus a 1/1 white Soldier creature token are created instead. */* |
| Nin, the Pain Artist | UR | Legendary Creature — Vedalken Wizard | {X}{U}{R}, {T}: Nin, the Pain Artist deals X damage to target creature. That creature's controller draws X cards. 1/1 |
| Reviving Vapors | 2WU | Instant | Reveal the top three cards of your library and put one of them into your hand. You gain life equal to that card's mana value. Put all other cards revealed this way into your graveyard. |