M:tG card similarity search
1U · Creature — Fish
At the beginning of your upkeep, sacrifice School of Piranha unless you pay {1}{U}. 3/3
| Name | Mana | Type | Text |
|---|---|---|---|
| Felidar Sovereign | 4WW | Creature — Cat Beast | Vigilance, lifelink At the beginning of your upkeep, if you have 40 or more life, you win the game. 4/6 |
| Call of the Ring | 1B | Enchantment | At the beginning of your upkeep, the Ring tempts you. Whenever you choose a creature as your Ring-bearer, you may pay 2 life. If you do, draw a card. |
| Rotting Regisaur | 2B | Creature — Zombie Dinosaur | At the beginning of your upkeep, discard a card. 7/6 |
| Forethought Amulet | 5 | Artifact | At the beginning of your upkeep, sacrifice Forethought Amulet unless you pay {3}. If an instant or sorcery source would deal 3 or more damage to you, it deals 2 damage to you instead. |
| Cosmic Horror | 3BBB | Creature — Horror | First strike At the beginning of your upkeep, destroy Cosmic Horror unless you pay {3}{B}{B}{B}. If Cosmic Horror is destroyed this way, it deals 7 damage to you. 7/7 |
| Planar Collapse | 1W | Enchantment | At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice Planar Collapse and destroy all creatures. They can't be regenerated. |
| Erosion | UUU | Enchantment — Aura | Enchant land At the beginning of the upkeep of enchanted land's controller, destroy that land unless that player pays {1} or 1 life. |
| Harrier Griffin | 5W | Creature — Griffin | Flying At the beginning of your upkeep, tap target creature. 3/3 |
| Custody Battle | 1R | Enchantment — Aura | Enchant creature Enchanted creature has "At the beginning of your upkeep, target opponent gains control of this creature unless you sacrifice a land." |
| Awakening | 2GG | Enchantment | At the beginning of each upkeep, untap all creatures and lands. |