M:tG card similarity search
6BR · Sorcery
Each opponent exiles cards from the top of their library until they exile a nonland card. You may cast any number of spells from among those nonland cards without paying their mana costs. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Spellweaver Helix | 3 | Artifact | Imprint — When Spellweaver Helix enters the battlefield, you may exile two target sorcery cards from a single graveyard. Whenever a player casts a card, if it has the same name as one of the cards exiled with Spellweaver Helix, you may copy the other. If you do, you may cast the copy without paying its mana cost. |
| Mirrored Depths | Plane — Karsus | Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell. Whenever chaos ensues, target player reveals the top card of their library. If it's a nonland card, you may cast it without paying its mana cost. | |
| Nicol Bolas, God-Pharaoh | 4UBR | Legendary Planeswalker — Bolas | [+2]: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost. [+1]: Each opponent exiles two cards from their hand. [−4]: Nicol Bolas, God-Pharaoh deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls. [−12]: Exile each nonland permanent your opponents control. Loyalty 7 |
| Fierce Guardianship | 2U | Instant | If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell. |
| Hauken's Insight | Legendary Enchantment | At the beginning of your upkeep, exile the top card of your library face down. You may look at that card for as long as it remains exiled. Once during each of your turns, you may play a land or cast a spell from among the cards exiled with this permanent without paying its mana cost. | |
| Magus of the Mind | 4UU | Creature — Human Wizard | {U}, {T}, Sacrifice Magus of the Mind: Shuffle your library, then exile the top X cards, where X is one plus the number of spells cast this turn. Until end of turn, you may play lands and cast spells from among cards exiled this way without paying their mana costs. 4/5 |
| Swindler's Scheme | 2U | Enchantment | Whenever an opponent casts a spell from their hand, you may reveal the top card of your library. If it shares a card type with that spell, counter that spell and that opponent may cast the revealed card without paying its mana cost. |
| Greatest Show in the Multiverse | 7 | Artifact Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) As an additional cost to cast this spell, exile five instant and/or sorcery cards you own with the same artist and different names from outside the game. I, II, III — Choose one of the exiled cards at random. You may cast it without paying its mana cost. |
| Primeval Spawn | 5WUBRG | Creature — Avatar | If Primeval Spawn would enter the battlefield and it wasn't cast or no mana was spent to cast it, exile it instead. Vigilance, trample, lifelink When Primeval Spawn leaves the battlefield, exile the top ten cards of your library. You may cast any number of spells with total mana value 10 or less from among them without paying their mana costs. 10/10 |
| Knowledge Exploitation | 5UU | Tribal Sorcery — Rogue | Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles. |