M:tG card similarity search
4GG · Enchantment
At the beginning of your upkeep, sacrifice Nature's Wrath unless you pay {G}. Whenever a player puts an Island or blue permanent onto the battlefield, that player sacrifices an Island or blue permanent. Whenever a player puts a Swamp or black permanent onto the battlefield, that player sacrifices a Swamp or black permanent.
| Name | Mana | Type | Text |
|---|---|---|---|
| Smokestack | 4 | Artifact | At the beginning of your upkeep, you may put a soot counter on Smokestack. At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack. |
| Hungry Mist | 2GG | Creature — Elemental | At the beginning of your upkeep, sacrifice Hungry Mist unless you pay {G}{G}. 6/2 |
| 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. |
| School of Piranha | 1U | Creature — Fish | At the beginning of your upkeep, sacrifice School of Piranha unless you pay {1}{U}. 3/3 |
| Eureka | 2GG | Sorcery | Starting with you, each player may put a permanent card from their hand onto the battlefield. Repeat this process until no one puts a card onto the battlefield. |
| The Grim Captain | Legendary Creature — Skeleton Spirit Pirate | Menace, trample, lifelink, hexproof Whenever The Grim Captain attacks, each opponent sacrifices a nonland permanent. Then you may put an exiled creature card used to craft The Grim Captain onto the battlefield under your control tapped and attacking. 7/7 | |
| Rakdos the Defiler | 2BBRR | Legendary Creature — Demon | Flying, trample Whenever Rakdos the Defiler attacks, sacrifice half the non-Demon permanents you control, rounded up. Whenever Rakdos deals combat damage to a player, that player sacrifices half the non-Demon permanents they control, rounded up. 7/6 |
| Krosan Cloudscraper | 7GGG | Creature — Beast Mutant | At the beginning of your upkeep, sacrifice Krosan Cloudscraper unless you pay {G}{G}. Morph {7}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 13/13 |
| Wild Leotau | 2GG | Creature — Cat | At the beginning of your upkeep, sacrifice Wild Leotau unless you pay {G}. 5/4 |