M:tG card similarity search
3UU · Enchantment
Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. (Mana cost includes color.)
| 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. |
| Eyes of the Watcher | 2U | Enchantment | Whenever you cast an instant or sorcery spell, you may pay {1}. If you do, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) |
| Nemesis Trap | 4BB | Instant — Trap | If a white creature is attacking, you may pay {B}{B} rather than pay this spell's mana cost. Exile target attacking creature. Create a token that's a copy of that creature. Exile it at the beginning of the next end step. |
| Bruenor Battlehammer | 2RW | Legendary Creature — Dwarf Warrior | Each creature you control gets +2/+0 for each Equipment attached to it. You may pay {0} rather than pay the equip cost of the first equip ability you activate each turn. 5/3 |
| Wrexial, the Risen Deep | 3UUB | Legendary Creature — Kraken | Islandwalk, swampwalk (This creature can't be blocked as long as defending player controls an Island or a Swamp.) Whenever Wrexial, the Risen Deep deals combat damage to a player, you may cast target instant or sorcery card from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead. 5/8 |
| Explosive Singularity | 8RR | Sorcery | As an additional cost to cast this spell, you may tap any number of untapped creatures you control. This spell costs {1} less to cast for each creature tapped this way. Explosive Singularity deals 10 damage to any target. |
| Aisha of Sparks and Smoke | 1RR | Legendary Creature — Human Warrior | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {R/W}: Aisha of Sparks and Smoke gains first strike until end of turn. Whenever Aisha deals combat damage, you may cast a sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost. 4/2 |
| Offering to Asha | 2WU | Instant | Counter target spell unless its controller pays {4}. You gain 4 life. |
| Spell Syphon | 1U | Instant | Counter target spell unless its controller pays {1} for each blue permanent you control. |
| Dance with Calamity | 7R | Sorcery | Shuffle your library. As many times as you choose, you may exile the top card of your library. If the total mana value of the cards exiled this way is 13 or less, you may cast any number of spells from among those cards without paying their mana costs. |