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 |
|---|---|---|---|
| Common Courtesy | 2UU | Enchantment | Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy. |
| Commune with the Gods | 1G | Sorcery | Reveal the top five cards of your library. You may put a creature or enchantment card from among them into your hand. Put the rest into your graveyard. |
| Benefaction of Rhonas | 2G | Sorcery | Reveal the top five cards of your library. You may put a creature card and/or an enchantment card from among them into your hand. Put the rest into your graveyard. |
| Lost Legacy | 1BB | Sorcery | Choose a nonartifact, nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. |
| Ego Drain | B | Sorcery | Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. If you don't control a Faerie, exile a card from your hand. |
| Worldly Counsel | 1U | Instant | Domain — Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put one of those cards into your hand and the rest on the bottom of your library in any order. |
| Gelatinous Cube | 2BB | Creature — Ooze | Engulf — When Gelatinous Cube enters the battlefield, exile target non-Ooze creature an opponent controls until Gelatinous Cube leaves the battlefield. Dissolve — {X}{B}: Put target creature card with mana value X exiled with Gelatinous Cube into its owner's graveyard. 4/3 |
| Bringer of the Black Dawn | 7BB | Creature — Bringer | You may pay {W}{U}{B}{R}{G} rather than pay this spell's mana cost. Trample At the beginning of your upkeep, you may pay 2 life. If you do, search your library for a card, then shuffle and put that card on top. 5/5 |
| Necropolis | 5 | Artifact Creature — Wall | Defender (This creature can't attack.) Exile a creature card from your graveyard: Put X +0/+1 counters on Necropolis, where X is the exiled card's mana value. 0/1 |
| Fragment Reality | W | Instant | Exile target nontoken artifact, creature, or enchantment an opponent controls. Its controller puts a random creature card with lesser mana value from their library onto the battlefield tapped. |