M:tG card similarity search
2 · Artifact
Whenever a player casts a blue spell, you may pay {3}. If you do, untap target permanent.
| Name | Mana | Type | Text |
|---|---|---|---|
| Rubble | 2R | Sorcery | Aftermath (Cast this spell only from your graveyard. Then exile it.) Up to three target lands don't untap during their controller's next untap step. |
| Symmetry Matrix | 4 | Artifact | Whenever a creature with power equal to its toughness enters the battlefield under your control, you may pay {1}. If you do, draw a card. |
| Nesting Grounds | Land | {T}: Add {C}. {1}, {T}: Move a counter from target permanent you control onto another target permanent. Activate only as a sorcery. | |
| Alter Reality | 1U | Instant | Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Giant Oyster | 2UU | Creature — Oyster | You may choose not to untap Giant Oyster during your untap step. {T}: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature. 0/3 |
| Ingenious Mastery | X2U | Sorcery | You may pay {2}{U} rather than pay this spell's mana cost. If the {2}{U} cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards. |
| Sky Scourer | 1B | Creature — Eldrazi Drone | Devoid (This card has no color.) Flying Whenever you cast a colorless spell, Sky Scourer gets +1/+0 until end of turn. 1/2 |
| Countervailing Winds | 2U | Instant | Counter target spell unless its controller pays {1} for each card in your graveyard. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Escape Protocol | 1U | Enchantment | Whenever you cycle a card, you may pay {1}. When you do, exile target artifact or creature you control, then return it to the battlefield under its owner's control. |
| Mind Swords | 1B | Sorcery | If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost. Each player exiles two cards from their hand. |