M:tG card similarity search
3B · Instant
If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.
| Name | Mana | Type | Text |
|---|---|---|---|
| War Tax | 2U | Enchantment | {X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control. |
| Illusionary Mask | 2 | Artifact | {X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on {X}. If you do, you may cast that card face down as a 2/2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead it's turned face up and assigns or deals damage, is dealt damage, or becomes tapped. Activate only as a sorcery. |
| Great Intelligence's Plan | 4UB | Sorcery | Draw three cards. Then target opponent faces a villainous choice — They discard three cards, or you may cast a spell from your hand without paying its mana cost. |
| Eyeblight's Ending | 2B | Tribal Instant — Elf | Destroy target non-Elf creature. |
| Mortarion, Daemon Primarch | 5B | Legendary Creature — Demon Primarch | Flying Primarch of the Death Guard — At the beginning of your end step, you may pay {X}. If you do, create X 2/2 black Astartes Warrior creature tokens with menace. X can't be greater than the amount of life you lost this turn. 5/6 |
| Mindleech Mass | 5UBB | Creature — Horror | Trample Whenever Mindleech Mass deals combat damage to a player, you may look at that player's hand. If you do, you may cast a spell from among those cards without paying its mana cost. 6/6 |
| The Tabernacle at Pendrell Vale | Legendary Land | All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}." | |
| Detonate | XR | Sorcery | Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller. |
| Blood Operative | 1BB | Creature — Vampire Assassin | Lifelink When Blood Operative enters the battlefield, you may exile target card from a graveyard. Whenever you surveil, if Blood Operative is in your graveyard, you may pay 3 life. If you do, return Blood Operative to your hand. 3/1 |
| In Search of Greatness | GG | Enchantment | At the beginning of your upkeep, you may cast a permanent spell from your hand with mana value equal to 1 plus the highest mana value among other permanents you control without paying its mana cost. If you don't, scry 1. |