M:tG card similarity search
3 · Legendary Artifact
Blue creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.
| Name | Mana | Type | Text |
|---|---|---|---|
| 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 |
| Rust Tick | 3 | Artifact Creature — Insect | You may choose not to untap Rust Tick during your untap step. {1}, {T}: Tap target artifact. It doesn't untap during its controller's untap step for as long as Rust Tick remains tapped. 1/3 |
| Cemetery Prowler | 1GG | Creature — Wolf | Vigilance Whenever Cemetery Prowler enters the battlefield or attacks, exile a card from a graveyard. Spells you cast cost {1} less to cast for each card type they share with cards exiled with Cemetery Prowler. 3/4 |
| Secrets of the Key | U | Instant | Investigate. If this spell was cast from a graveyard, investigate twice instead. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Flashback {3}{U} |
| Icy Blast | XU | Instant | Tap X target creatures. Ferocious — If you control a creature with power 4 or greater, those creatures don't untap during their controllers' next untap steps. |
| Hazoret's Undying Fury | 4RR | Sorcery | Shuffle your library, then exile the top four cards. You may cast any number of spells with mana value 5 or less from among them without paying their mana costs. Lands you control don't untap during your next untap step. |
| Winter Moon | 2 | Artifact | Players can't untap more than one nonbasic land during their untap steps. |
| Semblance Anvil | 3 | Artifact | Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast. |
| Black Carriage | 3BB | Creature — Horse | Trample Black Carriage doesn't untap during your untap step. Sacrifice a creature: Untap Black Carriage. Activate only during your upkeep. 4/4 |
| Goblin Polka Band | RR | Summon Goblin | {2}, {T}, Pay {R} for each target: Tap any number of random target creatures. Goblins tapped in this way do not untap during their controllers' next untap phases. 1/1 |