M:tG card similarity search
1U · Enchantment
Whenever you cast a noncreature spell, you may have Riddleform become a 3/3 Sphinx creature with flying in addition to its other types until end of turn. {2}{U}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Daxos's Torment | 3B | Enchantment | Constellation — Whenever Daxos's Torment or another enchantment enters the battlefield under your control, Daxos's Torment becomes a 5/5 Demon creature with flying and haste in addition to its other types until end of turn. |
| Standardize | UU | Instant | Choose a creature type other than Wall. Each creature becomes that type until end of turn. |
| Mistform Warchief | 2U | Creature — Illusion | Creature spells you cast that share a creature type with Mistform Warchief cost {1} less to cast. {T}: Mistform Warchief becomes the creature type of your choice until end of turn. 1/3 |
| Hidden Spider | G | Enchantment | When an opponent casts a creature spell with flying, if Hidden Spider is an enchantment, Hidden Spider becomes a 3/5 Spider creature with reach. (It can block creatures with flying.) |
| Mistform Stalker | 1U | Creature — Illusion | {1}: Mistform Stalker becomes the creature type of your choice until end of turn. {2}{U}{U}: Mistform Stalker gets +2/+2 and gains flying until end of turn. 1/1 |
| Donal, Herald of Wings | 2UU | Legendary Creature — Human Wizard | Whenever you cast a nonlegendary creature spell with flying, you may copy it, except the copy is a 1/1 Spirit in addition to its other types. Do this only once each turn. (The copy becomes a token.) 3/3 |
| Opal Guardian | WWW | Enchantment | When an opponent casts a creature spell, if Opal Guardian is an enchantment, Opal Guardian becomes a 3/4 Gargoyle creature with flying and protection from red. |
| Applied Aeronautics | Artifact — Contraption | Whenever you crank Applied Aeronautics, until end of turn, target creature gets +1/+0, gains flying, and becomes an artifact in addition to its other types. | |
| Mistform Mutant | 4UU | Creature — Illusion Mutant | {1}{U}: Choose a creature type other than Wall. Target creature becomes that type until end of turn. 3/4 |
| Protean War Engine | RW | Artifact — Vehicle | As Protean War Engine enters the battlefield, draft a card from Protean War Engine's spellbook and exile it. Whenever Protean War Engine becomes crewed, until end of turn, it becomes a copy of the exiled card, except it's a Vehicle artifact in addition to its other types. Crew 3 0/4 |