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 |
|---|---|---|---|
| Territorial Dispute | 4RR | Enchantment | At the beginning of your upkeep, sacrifice Territorial Dispute unless you sacrifice a land. Players can't play lands. |
| Demonic Hordes | 3BBB | Creature — Demon | {T}: Destroy target land. At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice. 5/5 |
| Bog Elemental | 3BB | Creature — Elemental | Protection from white At the beginning of your upkeep, sacrifice Bog Elemental unless you sacrifice a land. 5/4 |
| Mana Vortex | 1UU | Enchantment | When you cast this spell, counter it unless you sacrifice a land. At the beginning of each player's upkeep, that player sacrifices a land. When there are no lands on the battlefield, sacrifice Mana Vortex. |
| Serendib Djinn | 2UU | Creature — Djinn | Flying At the beginning of your upkeep, sacrifice a land. If you sacrifice an Island this way, Serendib Djinn deals 3 damage to you. When you control no lands, sacrifice Serendib Djinn. 5/6 |
| The Gitrog Monster | 3BG | Legendary Creature — Frog Horror | Deathtouch At the beginning of your upkeep, sacrifice The Gitrog Monster unless you sacrifice a land. You may play an additional land on each of your turns. Whenever one or more land cards are put into your graveyard from anywhere, draw a card. 6/6 |
| Cosmic Larva | 1RR | Creature — Beast | Trample At the beginning of your upkeep, sacrifice Cosmic Larva unless you sacrifice two lands. 7/6 |
| Army Ants | 1BR | Creature — Insect | {T}, Sacrifice a land: Destroy target land. 1/1 |
| Destructive Flow | BRG | Enchantment | At the beginning of each player's upkeep, that player sacrifices a nonbasic land. |
| 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. |