M:tG card similarity search
XU · Instant
Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Energy Tap | U | Sorcery | Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value. |
| Jace's Defeat | 1U | Instant | Counter target blue spell. If it was a Jace planeswalker spell, scry 2. |
| Cloudkill | 4BB | Sorcery | All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. |
| Mirrorshell Crab | 5UU | Artifact Creature — Crab | Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) Channel — {2}{U}, Discard Mirrorshell Crab: Counter target spell or ability unless its controller pays {3}. 5/7 |
| Soul Tithe | 1W | Enchantment — Aura | Enchant nonland permanent At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where X is its mana value. |
| March from the Tomb | 3WB | Sorcery | Return any number of target Ally creature cards with total mana value 8 or less from your graveyard to the battlefield. |
| Aether Mutation | 3GU | Sorcery | Return target creature to its owner's hand. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value. |
| Assert Authority | 5UU | Instant | Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. |
| Birthing Pod | 3G/P | Artifact | ({G/P} can be paid with either {G} or 2 life.) {1}{G/P}, {T}, Sacrifice a creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery. |
| Screamer-Killer | 4R | Creature — Tyranid | Trample Bio-Plasmic Scream — Whenever you cast a creature spell with mana value 5 or greater, Screamer-Killer deals 5 damage to any target. 5/5 |