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 |
|---|---|---|---|
| Sea Gate Oracle | 2U | Creature — Human Wizard | When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library. 1/3 |
| Living Death | 3BB | Sorcery | Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield. |
| Time Sidewalk | 4UUUU | Sorcery | Take an extra turn after this one. If this card is in your opening hand, you may exile it. If you do, create four Time Walk token cards and shuffle them into your deck. |
| Stairs to Infinity | Plane — Xerex | Players have no maximum hand size. Whenever you roll the planar die, draw a card. Whenever chaos ensues, reveal the top card of your planar deck. You may put it on the bottom of your planar deck. | |
| Death-Mask Duplicant | 7 | Artifact Creature — Shapeshifter | Imprint — {1}: Exile target creature card from your graveyard. As long as a card exiled with Death-Mask Duplicant has flying, Death-Mask Duplicant has flying. The same is true for fear, first strike, double strike, haste, landwalk, protection, and trample. 5/5 |
| Phyrexian Grimoire | 3 | Artifact | {4}, {T}: Target opponent chooses one of the top two cards of your graveyard. Exile that card and put the other one into your hand. |
| Serum Powder | 3 | Artifact | {T}: Add {C}. Any time you could mulligan and Serum Powder is in your hand, you may exile all the cards from your hand, then draw that many cards. (You can do this in addition to taking mulligans.) |
| Mana Severance | 1U | Sorcery | Search your library for any number of land cards, exile them, then shuffle. |
| Deceiver of Form | 6C | Creature — Eldrazi | ({C} represents colorless mana.) At the beginning of combat on your turn, reveal the top card of your library. If a creature card is revealed this way, you may have creatures you control other than Deceiver of Form become copies of that card until end of turn. You may put that card on the bottom of your library. 8/8 |
| Nightmare Incursion | 5B | Sorcery | Search target player's library for up to X cards, where X is the number of Swamps you control, and exile them. Then that player shuffles. |