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 |
|---|---|---|---|
| Jodah, Archmage Eternal | 1URW | Legendary Creature — Human Wizard | Flying You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast. 4/3 |
| Martial Law | 2WW | Enchantment | At the beginning of your upkeep, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.) |
| Damping Engine | 4 | Artifact | A player who controls more permanents than each other player can't play lands or cast artifact, creature, or enchantment spells. That player may sacrifice a permanent for that player to ignore this effect until end of turn. |
| Unblinking Observer | 1U | Creature — Homunculus | {T}: Add {U}. Spend this mana only to pay a disturb cost or cast an instant or sorcery spell. 2/1 |
| Glass Casket | 1W | Artifact | When Glass Casket enters the battlefield, exile target creature an opponent controls with mana value 3 or less until Glass Casket leaves the battlefield. |
| Quill-Slinger Boggart | 3B | Creature — Goblin Warrior | Whenever a player casts a Kithkin spell, you may have target player lose 1 life. 3/2 |
| Cabal Shrine | 1BB | Enchantment | Whenever a player casts a spell, that player discards X cards, where X is the number of cards in all graveyards with the same name as that spell. |
| Ghostly Pilferer | 1U | Creature — Spirit Rogue | Whenever Ghostly Pilferer becomes untapped, you may pay {2}. If you do, draw a card. Whenever an opponent casts a spell from anywhere other than their hand, draw a card. Discard a card: Ghostly Pilferer can't be blocked this turn. 2/1 |
| Geological Appraiser | 2RR | Creature — Human Artificer | When Geological Appraiser enters the battlefield, if you cast it, discover 3. (Exile cards from the top of your library until you exile a nonland card with mana value 3 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.) 3/2 |
| Gruul Ragebeast | 5RG | Creature — Beast | Whenever Gruul Ragebeast or another creature enters the battlefield under your control, that creature fights target creature an opponent controls. 6/6 |