M:tG card similarity search
2UUU · Enchantment
Whenever a player discards a card, you may pay {1}{U}. If you do, you may tap or untap target permanent.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Merrow Reejerey | 2U | Creature — Merfolk Soldier | Other Merfolk creatures you control get +1/+1. Whenever you cast a Merfolk spell, you may tap or untap target permanent. 2/2 | 
| Mental Vapors | 3B | Sorcery | Target player discards a card. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.) | 
| Raven's Crime | B | Sorcery | Target player discards a card. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.) | 
| Pain | B | Sorcery | Target player discards a card. | 
| Mind Peel | B | Sorcery | Buyback {2}{B}{B} (You may pay an additional {2}{B}{B} as you cast this spell. If you do, put this card into your hand as it resolves.) Target player discards a card. | 
| Mind Knives | 1B | Sorcery | Target opponent discards a card at random. | 
| Specter's Wail | 1B | Sorcery | Target player discards a card at random. | 
| Skull Fracture | B | Sorcery | Target player discards a card. Flashback {3}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | 
| Wharf Infiltrator | 1U | Creature — Human Horror | Skulk (This creature can't be blocked by creatures with greater power.) Whenever Wharf Infiltrator deals combat damage to a player, you may draw a card. If you do, discard a card. Whenever you discard a creature card, you may pay {2}. If you do, create a 3/2 colorless Eldrazi Horror creature token. 1/1 | 
| Tidal Force | 5UUU | Creature — Elemental | At the beginning of each upkeep, you may tap or untap target permanent. 7/7 |