M:tG card similarity search
2U · Instant
Counter target spell unless its controller pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Thought Prison | 5 | Artifact | Imprint — When Thought Prison enters the battlefield, you may have target player reveal their hand. If you do, choose a nonland card from it and exile that card. Whenever a player casts a spell that shares a color or mana value with the exiled card, Thought Prison deals 2 damage to that player. |
| Heirloom Mirror | 1B | Artifact | {1}, {T}, Pay 1 life, Discard a card: Draw a card, mill a card, then put a ritual counter on Heirloom Mirror. Then if it has three or more ritual counters on it, remove them and transform it. Activate only as a sorcery. |
| Eternal Scourge | 3 | Creature — Eldrazi Horror | You may cast Eternal Scourge from exile. When Eternal Scourge becomes the target of a spell or ability an opponent controls, exile Eternal Scourge. 3/3 |
| Agatha's Soul Cauldron | 2 | Legendary Artifact | You may spend mana as though it were mana of any color to activate abilities of creatures you control. Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron. {T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control. |
| Mold Demon | 5BB | Creature — Fungus Demon | When Mold Demon enters the battlefield, sacrifice it unless you sacrifice two Swamps. 6/6 |
| Serpent of the Endless Sea | 4U | Creature — Serpent | Serpent of the Endless Sea's power and toughness are each equal to the number of Islands you control. Serpent of the Endless Sea can't attack unless defending player controls an Island. */* |
| Bell Borca, Spectral Sergeant | 2RW | Legendary Creature — Spirit Soldier | Note the mana value of each card as it's put into exile. Bell Borca, Spectral Sergeant's power is equal to the greatest number noted for it this turn. At the beginning of your upkeep, exile the top card of your library. You may play that card this turn. */5 |
| 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. |
| Brilliant Ultimatum | WWUUUBB | Sorcery | Exile the top five cards of your library. An opponent separates those cards into two piles. You may play lands and cast spells from one of those piles. If you cast a spell this way, you cast it without paying its mana cost. |
| Henge Walker | 3 | Artifact Creature — Golem | Adamant — If at least three mana of the same color was spent to cast this spell, Henge Walker enters the battlefield with a +1/+1 counter on it. 2/2 |