M:tG card similarity search
5B · Creature — Nightmare
Mutate {4}{B} (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, each opponent sacrifices a creature. 4/6
| Name | Mana | Type | Text |
|---|---|---|---|
| Keldon Necropolis | Legendary Land | {T}: Add {C}. {4}{R}, {T}, Sacrifice a creature: Keldon Necropolis deals 2 damage to any target. | |
| Thalia and The Gitrog Monster | 1WBG | Legendary Creature — Human Frog Horror | First strike, deathtouch You may play an additional land on each of your turns. Creatures and nonbasic lands your opponents control enter the battlefield tapped. Whenever Thalia and The Gitrog Monster attacks, sacrifice a creature or land, then draw a card. 4/4 |
| Bottle Gnomes | 3 | Artifact Creature — Gnome | Sacrifice Bottle Gnomes: You gain 3 life. 1/3 |
| Changeling Titan | 4G | Creature — Shapeshifter | Changeling (This card is every creature type.) Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.) 7/7 |
| Bog Serpent | 5B | Creature — Serpent | Bog Serpent can't attack unless defending player controls a Swamp. When you control no Swamps, sacrifice Bog Serpent. 5/5 |
| Emberwilde Augur | 1R | Creature — Goblin Shaman | Sacrifice Emberwilde Augur: It deals 3 damage to target player or planeswalker. Activate only during your upkeep. 2/1 |
| Glimmer Lens | 1W | Artifact — Equipment | For Mirrodin! (When this Equipment enters the battlefield, create a 2/2 red Rebel creature token, then attach this to it.) Whenever equipped creature and at least one other creature attack, draw a card. Equip {1}{W} |
| Carnivorous Death-Parrot | 1U | Creature — Bird | Flying At the beginning of your upkeep, sacrifice Carnivorous Death-Parrot unless you say its flavor text. 2/2 |
| Pain Magnification | 1BR | Enchantment | Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card. |
| Ark of Blight | 2 | Artifact | {3}, {T}, Sacrifice Ark of Blight: Destroy target land. |