M:tG card similarity search
4BB · 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.) Flying Whenever this creature mutates, exile the top card of each opponent's library face down. You may look at and play those cards for as long as they remain exiled. 5/5
| Name | Mana | Type | Text |
|---|---|---|---|
| Crook of Condemnation | 2 | Artifact | {1}, {T}: Exile target card from a graveyard. {1}, Exile Crook of Condemnation: Exile all graveyards. |
| Omen | 1U | Sorcery | Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card. |
| Ponder | U | Sorcery | Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card. |
| Sage of Days | 2U | Creature — Human Wizard | When Sage of Days enters the battlefield, look at the top three cards of your library. You may put one of those cards back on top of your library. Put the rest into your graveyard. 3/2 |
| Cackling Observer | 1BB | Creature — Imp | Flying When Cackling Observer enters the battlefield, target opponent reveals each nonland card in their hand. You choose one of those cards and exile it. When Cackling Observer leaves the battlefield, the exiled card's owner seeks a nonland card with lesser mana value than the exiled card. 3/1 |
| Magus of the Will | 2B | Creature — Human Wizard | {2}{B}, {T}, Exile Magus of the Will: Until end of turn, you may play lands and cast spells from your graveyard. If a card would be put into your graveyard from anywhere this turn, exile that card instead. 3/3 |
| Riftsweeper | 1G | Creature — Elf Shaman | When Riftsweeper enters the battlefield, choose target face-up exiled card. Its owner shuffles it into their library. 2/2 |
| Necratog | 1BB | Creature — Atog | Exile the top creature card of your graveyard: Necratog gets +2/+2 until end of turn. 1/2 |
| Diabolic Vision | UB | Sorcery | Look at the top five cards of your library. Put one of them into your hand and the rest on top of your library in any order. |
| Sauron's Ransom | 1UB | Instant | Choose an opponent. They look at the top four cards of your library and separate them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard. The Ring tempts you. |