M:tG card similarity search
3 · Artifact
Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)
| Name | Mana | Type | Text | 
|---|---|---|---|
| Stone Calendar | 5 | Artifact | Spells you cast cost up to {1} less to cast. | 
| Cheap Ass | 1W | Creature — Donkey Townsfolk | Spells you cast cost {½} less to cast. 1/3.5 | 
| Obscuring Aether | G | Enchantment | Face-down creature spells you cast cost {1} less to cast. {1}{G}: Turn Obscuring Aether face down. (It becomes a 2/2 creature.) | 
| Shadow in the Warp | 1RG | Enchantment | The first creature spell you cast each turn costs {2} less to cast. Whenever an opponent casts their first noncreature spell each turn, Shadow in the Warp deals 2 damage to that player. | 
| Ruby Medallion | 2 | Artifact | Red spells you cast cost {1} less to cast. | 
| Moderation | 1WU | Enchantment | You can't cast more than one spell each turn. Whenever you cast a spell, draw a card. | 
| Rakdos, Lord of Riots | BBRR | Legendary Creature — Demon | You can't cast this spell unless an opponent lost life this turn. Flying, trample Creature spells you cast cost {1} less to cast for each 1 life your opponents have lost this turn. 6/6 | 
| Ethersworn Canonist | 1W | Artifact Creature — Human Cleric | Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells. 2/2 | 
| Sphinx of New Prahv | WWUU | Creature — Sphinx | Flying, vigilance Spells your opponents cast that target Sphinx of New Prahv cost {2} more to cast. 4/3 | 
| Transcendent Envoy | 1W | Enchantment Creature — Griffin | Flying Aura spells you cast cost {1} less to cast. 1/2 |