M:tG card similarity search
GU · Sorcery
As an additional cost to cast this spell, 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 with an additional +1/+1 counter on it, then shuffle.
| Name | Mana | Type | Text |
|---|---|---|---|
| Lavinia, Azorius Renegade | WU | Legendary Creature — Human Soldier | Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. 2/2 |
| Sphere of Annihilation | XB | Artifact | Sphere of Annihilation enters the battlefield with X void counters on it. At the beginning of your upkeep, exile Sphere of Annihilation, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it. |
| Bifurcate | 3G | Sorcery | Search your library for a permanent card with the same name as target nontoken creature, put that card onto the battlefield, then shuffle. |
| Keeper of Secrets | 5R | Creature — Demon | First strike, haste Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, Keeper of Secrets deals damage equal to that spell's mana value to target opponent. 6/4 |
| Disruption Protocol | UU | Instant | As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}. Counter target spell. |
| Overload | R | Instant | Kicker {2} (You may pay an additional {2} as you cast this spell.) Destroy target artifact if its mana value is 2 or less. If this spell was kicked, destroy that artifact if its mana value is 5 or less instead. |
| Dragonlord's Prerogative | 4UU | Instant | As an additional cost to cast this spell, you may reveal a Dragon card from your hand. If you revealed a Dragon card or controlled a Dragon as you cast this spell, this spell can't be countered. Draw four cards. |
| Sickening Shoal | XBB | Instant — Arcane | You may exile a black card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets -X/-X until end of turn. |
| Warlord's Elite | 2W | Creature — Human Soldier | As an additional cost to cast this spell, tap two untapped artifacts, creatures, and/or lands you control. 4/4 |
| Legion's Chant | 2W | Sorcery — Chorus | Starting intensity 3 Return any number of creature cards with total mana value X or less from your graveyard to the battlefield, where X is Legion's Chant's intensity. All Chorus cards you own intensify by 1. |