M:tG card similarity search
B · Creature — Bird
Flying You may discard Circling Vultures any time you could cast an instant. At the beginning of your upkeep, sacrifice Circling Vultures unless you exile the top creature card of your graveyard. 3/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Sunken City | UU | Enchantment | At the beginning of your upkeep, sacrifice Sunken City unless you pay {U}{U}. Blue creatures get +1/+1. |
| Rotting Regisaur | 2B | Creature — Zombie Dinosaur | At the beginning of your upkeep, discard a card. 7/6 |
| Vaporous Djinn | 2UU | Creature — Djinn | Flying At the beginning of your upkeep, Vaporous Djinn phases out unless you pay {U}{U}. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.) 3/4 |
| Screeching Bat | 2B | Creature — Bat | Flying At the beginning of your upkeep, you may pay {2}{B}{B}. If you do, transform Screeching Bat. 2/2 |
| Cosmic Larva | 1RR | Creature — Beast | Trample At the beginning of your upkeep, sacrifice Cosmic Larva unless you sacrifice two lands. 7/6 |
| Devouring Strossus | 5BBB | Creature — Phyrexian Horror | Flying, trample At the beginning of your upkeep, sacrifice a creature. Sacrifice a creature: Regenerate Devouring Strossus. 9/9 |
| Phyrexian Soulgorger | 3 | Snow Artifact Creature — Phyrexian Construct | Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) 8/8 |
| Nicol Bolas | 2UUBBRR | Legendary Creature — Elder Dragon | Flying At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}. Whenever Nicol Bolas deals damage to an opponent, that player discards their hand. 7/7 |
| Chisei, Heart of Oceans | 2UU | Legendary Creature — Spirit | Flying At the beginning of your upkeep, sacrifice Chisei, Heart of Oceans unless you remove a counter from a permanent you control. 4/4 |
| Masticore | 4 | Artifact Creature — Masticore | At the beginning of your upkeep, sacrifice Masticore unless you discard a card. {2}: Masticore deals 1 damage to target creature. {2}: Regenerate Masticore. 4/4 |