M:tG card similarity search
1RR · Creature — Beast
Trample At the beginning of your upkeep, sacrifice Cosmic Larva unless you sacrifice two lands. 7/6
| Name | Mana | Type | Text | 
|---|---|---|---|
| School of Piranha | 1U | Creature — Fish | At the beginning of your upkeep, sacrifice School of Piranha unless you pay {1}{U}. 3/3 | 
| Wild Leotau | 2GG | Creature — Cat | At the beginning of your upkeep, sacrifice Wild Leotau unless you pay {G}. 5/4 | 
| Carnivorous Death-Parrot | 1U | Creature — Bird | Flying At the beginning of your upkeep, sacrifice Carnivorous Death-Parrot unless you say its flavor text. 2/2 | 
| Whipstitched Zombie | 1B | Creature — Zombie | At the beginning of your upkeep, sacrifice Whipstitched Zombie unless you pay {B}. 2/2 | 
| 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. | 
| Contamination | 2B | Enchantment | At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount. | 
| 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 | 
| Molting Harpy | B | Creature — Harpy Mercenary | Flying At the beginning of your upkeep, sacrifice Molting Harpy unless you pay {2}. 2/1 | 
| Junún Efreet | 1BB | Creature — Efreet | Flying At the beginning of your upkeep, sacrifice Junún Efreet unless you pay {B}{B}. 3/3 |