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 |
|---|---|---|---|
| Cateran Overlord | 4BBB | Creature — Horror Mercenary | Sacrifice a creature: Regenerate Cateran Overlord. {6}, {T}: Search your library for a Mercenary permanent card with mana value 6 or less, put it onto the battlefield, then shuffle. 7/5 |
| Overburden | 1U | Enchantment | Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand. |
| Cruel Reality | 5BB | Enchantment — Aura Curse | Enchant player At the beginning of enchanted player's upkeep, that player sacrifices a creature or planeswalker. If the player can't, they lose 5 life. |
| 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 |
| Auspicious Starrix | 4G | Creature — Elk Beast | Mutate {5}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, exile cards from the top of your library until you exile X permanent cards, where X is the number of times this creature has mutated. Put those permanent cards onto the battlefield. 6/6 |
| Primeval Force | 2GGG | Creature — Elemental | When Primeval Force enters the battlefield, sacrifice it unless you sacrifice three Forests. 8/8 |
| Deputy of Detention | 1WU | Creature — Vedalken Wizard | When Deputy of Detention enters the battlefield, exile target nonland permanent an opponent controls and all other nonland permanents that player controls with the same name as that permanent until Deputy of Detention leaves the battlefield. 1/3 |
| "Rumors of My Death . . ." | 2B | Enchantment | {3}{B}, Exile a permanent you control with a League of Dastardly Doom watermark: Return a permanent card with a League of Dastardly Doom watermark from your graveyard to the battlefield. |
| Lake of the Dead | Land | If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {B}. {T}, Sacrifice a Swamp: Add {B}{B}{B}{B}. | |
| Bloodhall Ooze | R | Creature — Ooze | At the beginning of your upkeep, if you control a black permanent, you may put a +1/+1 counter on Bloodhall Ooze. At the beginning of your upkeep, if you control a green permanent, you may put a +1/+1 counter on Bloodhall Ooze. 1/1 |