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 |
|---|---|---|---|
| Arvinox, the Mind Flail | 4BBB | Legendary Enchantment Creature — Horror | Arvinox, the Mind Flail isn't a creature unless you control three or more permanents you don't own. At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells. 9/9 |
| Jace, the Mind Sculptor | 2UU | Legendary Planeswalker — Jace | [+2]: Look at the top card of target player's library. You may put that card on the bottom of that player's library. [0]: Draw three cards, then put two cards from your hand on top of your library in any order. [−1]: Return target creature to its owner's hand. [−12]: Exile all cards from target player's library, then that player shuffles their hand into their library. Loyalty 3 |
| Final Judgment | 4WW | Sorcery | Exile all creatures. |
| Ugin's Mastery | 4 | Enchantment | Whenever you cast a colorless creature spell, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Whenever you attack with creatures with total power 6 or greater, you may turn a face-down creature you control face up. |
| A-Case the Joint | 4U | Sorcery | Draw three cards, then look at the top card of each player's library. |
| Chaos Harlequin | 2RR | Creature — Human | {R}: Exile the top card of your library. If that card is a land card, Chaos Harlequin gets -4/-0 until end of turn. Otherwise, Chaos Harlequin gets +2/+0 until end of turn. 2/4 |
| Mindreaver | UU | Creature — Human Wizard | Heroic — Whenever you cast a spell that targets Mindreaver, exile the top three cards of target player's library. {U}{U}, Sacrifice Mindreaver: Counter target spell with the same name as a card exiled with Mindreaver. 2/1 |
| Cruel Deceiver | 1B | Creature — Spirit | {1}: Look at the top card of your library. {2}: Reveal the top card of your library. If it's a land card, Cruel Deceiver gains "Whenever Cruel Deceiver deals damage to a creature, destroy that creature" until end of turn. Activate only once each turn. 2/1 |
| Hot Fix | 4WU | Sorcery | You have ten seconds to look at and rearrange the cards in your library. At the end of those ten seconds, if you're touching one or more of those cards, shuffle. |
| Elkin Lair | 3R | World Enchantment | At the beginning of each player's upkeep, that player exiles a card at random from their hand. The player may play that card this turn. At the beginning of the next end step, if the player hasn't played the card, they put it into their graveyard. |