M:tG card similarity search
3B/G · Instant
If {B} was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If {G} was spent to cast this spell, you may have target creature get +3/+3 until end of turn. (Do both if {B}{G} was spent.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Nivix Cyclops | 1UR | Creature — Cyclops | Defender Whenever you cast an instant or sorcery spell, Nivix Cyclops gets +3/+0 until end of turn and can attack this turn as though it didn't have defender. 1/4 |
| Demon's Horn | 2 | Artifact | Whenever a player casts a black spell, you may gain 1 life. |
| Bloodthirsty Blade | 2 | Artifact — Equipment | Equipped creature gets +2/+0 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) {1}: Attach Bloodthirsty Blade to target creature an opponent controls. Activate only as a sorcery. |
| Mnemonic Betrayal | 1UB | Sorcery | Exile all opponents' graveyards. You may cast spells from among those cards this turn, and mana of any type can be spent to cast them. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards. Exile Mnemonic Betrayal. |
| Outbreak | 3B | Sorcery | You may discard a Swamp card rather than pay this spell's mana cost. Choose a creature type. All creatures of that type get -1/-1 until end of turn. |
| Selfless Cathar | W | Creature — Human Cleric | {1}{W}, Sacrifice Selfless Cathar: Creatures you control get +1/+1 until end of turn. 1/1 |
| Malamet War Scribe | 3WW | Creature — Cat Warrior | When Malamet War Scribe enters the battlefield, creatures you control get +2/+1 until end of turn. 4/3 |
| Eidolon of Rhetoric | 2W | Enchantment Creature — Spirit | Each player can't cast more than one spell each turn. 1/4 |
| Armor Sliver | 2W | Creature — Sliver | All Sliver creatures have "{2}: This creature gets +0/+1 until end of turn." 2/2 |
| Barbed Sliver | 2R | Creature — Sliver | All Sliver creatures have "{2}: This creature gets +1/+0 until end of turn." 2/2 |