M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Thief of Sanity | 1UB | Creature — Specter | Flying Whenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. 2/2 |
| Maelstrom Archangel | WUBRG | Creature — Angel | Flying Whenever Maelstrom Archangel deals combat damage to a player, you may cast a spell from your hand without paying its mana cost. 5/5 |
| Pirate's Landing | R | Sorcery | Draw a card. If mana from a Treasure was spent to cast this spell, seek a Pirate card instead. |
| Sickening Shoal | XBB | Instant — Arcane | You may exile a black card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets -X/-X until end of turn. |
| Up the Beanstalk | 1G | Enchantment | When Up the Beanstalk enters the battlefield and whenever you cast a spell with mana value 5 or greater, draw a card. |
| Illusionary Mask | 2 | Artifact | {X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on {X}. If you do, you may cast that card face down as a 2/2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead it's turned face up and assigns or deals damage, is dealt damage, or becomes tapped. Activate only as a sorcery. |
| Arvinox, the Mind Flail | 4BBB | Legendary Enchantment Creature — Horror | Arvinox, the Mind Flail isn't a creature unless you control three or more permanents you don't own. At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells. 9/9 |
| Deflecting Swat | 2R | Instant | If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability. |
| Spectacle Mage | 1UR | Creature — Bird Shaman | Flying Instant and sorcery spells you cast with mana value 5 or greater cost {1} less to cast. 2/2 |
| Wildfire Eternal | 3R | Creature — Zombie Jackal Cleric | Afflict 4 (Whenever this creature becomes blocked, defending player loses 4 life.) Whenever Wildfire Eternal attacks and isn't blocked, you may cast an instant or sorcery spell from your hand without paying its mana cost. 1/4 |