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 |
|---|---|---|---|
| War Cadence | 2R | Enchantment | {X}{R}: This turn, creatures can't block unless their controller pays {X} for each blocking creature they control. |
| Silumgar Sorcerer | 1UU | Creature — Human Wizard | Flash (You may cast this spell any time you could cast an instant.) Flying Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Silumgar Sorcerer exploits a creature, counter target creature spell. 2/1 |
| Runecarved Obelisk | 4 | Artifact | {T}: Add {C}{C}. Put two charge counters on Runecarved Obelisk. {T}, Sacrifice Runecarved Obelisk: Seek a card with the highest mana value among cards in your library with mana value X or less, where X is the number of charge counters on Runecarved Obelisk. |
| Blue Sun's Twilight | XUU | Sorcery | Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature. |
| Frost Titan | 4UU | Creature — Giant | Whenever Frost Titan becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}. Whenever Frost Titan enters the battlefield or attacks, tap target permanent. It doesn't untap during its controller's next untap step. 6/6 |
| Forge Armor | 4R | Instant | As an additional cost to cast this spell, sacrifice an artifact. Put X +1/+1 counters on target creature, where X is the sacrificed artifact's mana value. |
| Archive Trap | 3UU | Instant — Trap | If an opponent searched their library this turn, you may pay {0} rather than pay this spell's mana cost. Target opponent mills thirteen cards. |
| Sequence Engine | 2G | Artifact | {X}, {T}: Exile target creature card with mana value X from a graveyard. Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it. Activate only as a sorcery. |
| Fade Away | 2U | Sorcery | For each creature, its controller sacrifices a permanent unless they pay {1}. |
| Arni Metalbrow | 2R | Legendary Creature — Human Berserker | Whenever a creature you control attacks or a creature enters the battlefield under your control attacking, you may pay {1}{R}. If you do, you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking. 3/3 |