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 |
|---|---|---|---|
| Conversion | 2WW | Enchantment | At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}. All Mountains are Plains. |
| Glaciers | 2WU | Enchantment | At the beginning of your upkeep, sacrifice Glaciers unless you pay {W}{U}. All Mountains are Plains. |
| Gurzigost | 3GG | Creature — Beast | At the beginning of your upkeep, sacrifice Gurzigost unless you put two cards from your graveyard on the bottom of your library. {G}{G}, Discard a card: You may have Gurzigost assign its combat damage this turn as though it weren't blocked. 6/8 |
| Bog Elemental | 3BB | Creature — Elemental | Protection from white At the beginning of your upkeep, sacrifice Bog Elemental unless you sacrifice a land. 5/4 |
| Drifter il-Dal | U | Creature — Human Wizard | Shadow (This creature can block or be blocked by only creatures with shadow.) At the beginning of your upkeep, sacrifice Drifter il-Dal unless you pay {U}. 2/1 |
| Palladia-Mors | 2RRGGWW | Legendary Creature — Elder Dragon | Flying, trample At the beginning of your upkeep, sacrifice Palladia-Mors unless you pay {R}{G}{W}. 7/7 |
| Phyrexian Librarian | 3B | Creature — Phyrexian Horror | Flying, trample At the beginning of your upkeep, exile the top card of your library and balance it on your body. When a balanced card falls or touches another balanced card, sacrifice Phyrexian Librarian. 3/3 |
| Fettergeist | 2U | Creature — Spirit | Flying At the beginning of your upkeep, sacrifice Fettergeist unless you pay {1} for each other creature you control. 3/4 |
| Child of Gaea | 3GGG | Creature — Elemental | Trample At the beginning of your upkeep, sacrifice Child of Gaea unless you pay {G}{G}. {1}{G}: Regenerate Child of Gaea. 7/7 |
| Shadowborn Demon | 3BB | Creature — Demon | Flying When Shadowborn Demon enters the battlefield, destroy target non-Demon creature. At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature. 5/6 |