M:tG card similarity search
3R · Sorcery
Each opponent sacrifices an artifact. For each artifact sacrificed this way, you create a Treasure token. Flashback {8}{R}{R}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
| Name | Mana | Type | Text | 
|---|---|---|---|
| No One Left Behind | 4B | Sorcery | This spell costs {3} less to cast if it targets a creature card with mana value 3 or less. Return target creature card from your graveyard to the battlefield. | 
| Transcendent Envoy | 1W | Enchantment Creature — Griffin | Flying Aura spells you cast cost {1} less to cast. 1/2 | 
| Ruby Medallion | 2 | Artifact | Red spells you cast cost {1} less to cast. | 
| Dream Chisel | 2 | Artifact | Face-down creature spells you cast cost {1} less to cast. | 
| Vanquish the Horde | 6WW | Sorcery | This spell costs {1} less to cast for each creature on the battlefield. Destroy all creatures. | 
| Bosk Banneret | 1G | Creature — Treefolk Shaman | Treefolk spells and Shaman spells you cast cost {1} less to cast. 1/3 | 
| Stinkdrinker Daredevil | 2R | Creature — Goblin Rogue | Giant spells you cast cost {2} less to cast. 1/3 | 
| Dragonspeaker Shaman | 1RR | Creature — Human Barbarian Shaman | Dragon spells you cast cost {2} less to cast. 2/2 | 
| Forensic Gadgeteer | 2U | Creature — Vedalken Artificer Detective | Whenever you cast an artifact spell, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Activated abilities of artifacts you control cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana. 2/3 | 
| Hum of the Radix | 2GG | Enchantment | Each artifact spell costs {1} more to cast for each artifact its controller controls. |