M:tG card similarity search
3 · Artifact
At the beginning of each opponent's upkeep, Iron Maiden deals X damage to that player, where X is the number of cards in their hand minus 4.
| Name | Mana | Type | Text |
|---|---|---|---|
| Hellfire | 2BBB | Sorcery | Destroy all nonblack creatures. Hellfire deals X plus 3 damage to you, where X is the number of creatures that died this way. |
| Calamitous Cave-In | 3R | Sorcery | Calamitous Cave-In deals X damage to each creature and each planeswalker, where X is the number of Caves you control plus the number of Cave cards in your graveyard. |
| Crypt Rats | 2B | Creature — Rat | {X}: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X. 1/1 |
| Pygmy Giant | 1RR | Creature — Giant | {R}, {T}, Sacrifice a creature: Pygmy Giant deals X damage to target creature, where X is a number in the sacrificed creature's text box. 0/2 |
| Porcuparrot | 3R | Creature — Bird Beast | Mutate {2}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) {T}: This creature deals X damage to any target, where X is the number of times this creature has mutated. 3/4 |
| Niv-Mizzet, Guildpact | WUBRG | Legendary Creature — Dragon Avatar | Flying, hexproof from multicolored Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors. 6/6 |
| Keening Stone | 6 | Artifact | {5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard. |
| Dwarven Shrine | 1RR | Enchantment | Whenever a player casts a spell, Dwarven Shrine deals X damage to that player, where X is twice the number of cards in all graveyards with the same name as that spell. |
| Explosion | XUURR | Instant | Explosion deals X damage to any target. Target player draws X cards. |
| Jaws of Stone | 5R | Sorcery | Jaws of Stone deals X damage divided as you choose among any number of targets, where X is the number of Mountains you control as you cast this spell. |