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 |
|---|---|---|---|
| Nihil Spellbomb | 1 | Artifact | {T}, Sacrifice Nihil Spellbomb: Exile target player's graveyard. When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card. |
| Herald's Horn | 3 | Artifact | As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand. |
| Minds Aglow | U | Sorcery | Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way. |
| Garruk, Caller of Beasts | 4GG | Legendary Planeswalker — Garruk | [+1]: Reveal the top five cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order. [−3]: You may put a green creature card from your hand onto the battlefield. [−7]: You get an emblem with "Whenever you cast a creature spell, you may search your library for a creature card, put it onto the battlefield, then shuffle." Loyalty 4 |
| Altaïr Ibn-La'Ahad | RWB | Legendary Creature — Human Assassin | First strike Whenever Altaïr Ibn-La'Ahad attacks, exile up to one target Assassin creature card from your graveyard with a memory counter on it. Then for each creature card you own in exile with a memory counter on it, create a tapped and attacking token that's a copy of it. Exile those tokens at end of combat. 3/3 |
| Rhystic Tutor | 2B | Sorcery | Unless any player pays {2}, search your library for a card, put that card into your hand, then shuffle. |
| Undead Alchemist | 3U | Creature — Zombie | If a Zombie you control would deal combat damage to a player, instead that player mills that many cards. Whenever a creature card is put into an opponent's graveyard from their library, exile that card and create a 2/2 black Zombie creature token. 4/2 |
| Polymorph | 3U | Sorcery | Destroy target creature. It can't be regenerated. Its controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield, then shuffles all other cards revealed this way into their library. |
| Bazaar of Wonders | 3UU | World Enchantment | When Bazaar of Wonders enters the battlefield, exile all graveyards. Whenever a player casts a spell, counter it if a card with the same name is in a graveyard or a nontoken permanent with the same name is on the battlefield. |
| Mana Breach | 2U | Enchantment | Whenever a player casts a spell, that player returns a land they control to its owner's hand. |