M:tG card similarity search
1R · Enchantment
At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.
| Name | Mana | Type | Text |
|---|---|---|---|
| Land Equilibrium | 2UU | Enchantment | If an opponent who controls at least as many lands as you do would put a land onto the battlefield, that player instead puts that land onto the battlefield then sacrifices a land. |
| Ronom Serpent | 5U | Snow Creature — Serpent | Ronom Serpent can't attack unless defending player controls a snow land. When you control no snow lands, sacrifice Ronom Serpent. 5/6 |
| Clam Session | 1UU | Creature — Clamfolk | As Clam Session enters the battlefield, choose a word. At the beginning of your upkeep, you may sing at least six words of a song, at least one of which is the chosen word. If you don't, sacrifice Clam Session. You can't repeat a song. 2/5 |
| Goblin Boom Keg | 4 | Artifact | At the beginning of your upkeep, sacrifice Goblin Boom Keg. When Goblin Boom Keg is put into a graveyard from the battlefield, it deals 3 damage to any target. |
| Mishra's Groundbreaker | 4 | Artifact | {T}, Sacrifice Mishra's Groundbreaker: Target land becomes a 3/3 artifact creature that's still a land. (This effect lasts indefinitely.) |
| Executioner's Capsule | B | Artifact | {1}{B}, {T}, Sacrifice Executioner's Capsule: Destroy target nonblack creature. |
| Goblin Firebug | 1R | Creature — Goblin | When Goblin Firebug leaves the battlefield, sacrifice a land. 2/2 |
| Fountain of Renewal | 1 | Artifact | At the beginning of your upkeep, you gain 1 life. {3}, Sacrifice Fountain of Renewal: Draw a card. |
| Tectonic Break | XRR | Sorcery | Each player sacrifices X lands. |
| Aura Flux | 2U | Enchantment | Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay {2}." |