M:tG card similarity search
4UU · Instant
Delirium — This spell costs {2} less to cast if there are four or more card types among cards in your graveyard. Draw three cards.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Absorb Energy | 1UU | Instant | Counter target spell. Cards in your hand that share a card type with that spell perpetually gain "This spell costs {1} less to cast." | 
| Hearth Elemental | 5R | Creature — Elemental | This spell costs {X} less to cast, where X is the number of cards in your graveyard that are instant cards, sorcery cards, and/or have an Adventure. 4/5 | 
| Avatar of Might | 6GG | Creature — Avatar | If an opponent controls at least four more creatures than you, this spell costs {6} less to cast. Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) 8/8 | 
| Spellwild Ouphe | 1G | Creature — Ouphe | Spells that target Spellwild Ouphe cost {2} less to cast. 1/3 | 
| Semblance Anvil | 3 | Artifact | Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast. | 
| Angelic Observer | 5W | Creature — Angel Advisor | This spell costs {1} less to cast for each Citizen you control. Flying 3/3 | 
| Herald of Kozilek | 1UR | Creature — Eldrazi Drone | Devoid (This card has no color.) Colorless spells you cast cost {1} less to cast. 2/4 | 
| Bosk Banneret | 1G | Creature — Treefolk Shaman | Treefolk spells and Shaman spells you cast cost {1} less to cast. 1/3 | 
| Planar Gate | 6 | Artifact | Creature spells you cast cost up to {2} less to cast. | 
| Scalespeaker Shepherd | 2G | Creature — Human Druid | When Scalespeaker Shepherd enters the battlefield, draft a card from Scalespeaker Shepherd's spellbook. Dinosaur spells you cast cost {1} less to cast. 2/1 |