M:tG card similarity search
3RR · Enchantment
Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.
| Name | Mana | Type | Text |
|---|---|---|---|
| Tasha's Hideous Laughter | 1UU | Sorcery | Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more. |
| Erase (Not the Urza's Legacy One) | 2W | Instant | If you control two or more white permanents that share an artist, you may cast this spell without paying its mana cost. Exile target enchantment. |
| Scroll Rack | 2 | Artifact | {1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order. |
| Muse Vortex | XUU | Sorcery | Exile the top X cards of your library. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. Then put the exiled instant and sorcery cards that weren't cast this way into your hand and the rest on the bottom of your library in a random order. |
| Struggle for Sanity | 2BB | Sorcery | Target opponent reveals their hand. That player exiles a card from it, then you exile a card from it. Repeat this process until all cards in that hand have been exiled. That player returns the cards they exiled this way to their hand and puts the rest into their graveyard. |
| Remodel | 2G | Instant | If you control two or more green permanents that share an artist, you may cast this spell without paying its mana cost. Exile target artifact. |
| Umbris, Fear Manifest | 3UB | Legendary Creature — Nightmare Horror | Umbris, Fear Manifest gets +1/+1 for each card your opponents own in exile. Whenever Umbris or another Nightmare or Horror enters the battlefield under your control, target opponent exiles cards from the top of their library until they exile a land card. 1/1 |
| Dream Pillager | 5RR | Creature — Dragon | Flying Whenever Dream Pillager deals combat damage to a player, exile that many cards from the top of your library. Until end of turn, you may cast spells from among those exiled cards. 4/4 |
| Narset, Enlightened Master | 3URW | Legendary Creature — Human Monk | First strike, hexproof Whenever Narset, Enlightened Master attacks, exile the top four cards of your library. Until end of turn, you may cast noncreature spells from among those cards without paying their mana costs. 3/2 |
| Once Upon a Time | 1G | Instant | If this spell is the first spell you've cast this game, you may cast it without paying its mana cost. Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. |