M:tG card similarity search
RG · Enchantment — Class
(Gain the next level as a sorcery to add its ability.) Legendary creatures you control enter the battlefield with an additional +1/+1 counter on them. {R}{G}: Level 2 Legendary spells you cast cost {R}{G} less to cast. This effect reduces only the amount of colored mana you pay. {3}{R}{G}: Level 3 Whenever you cast a legendary spell, exile the top two cards of your library. You may play them this turn.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Commander Liara Portyr | 3RW | Legendary Creature — Human Soldier | Whenever you attack, spells you cast from exile this turn cost {X} less to cast, where X is the number of players being attacked. Exile the top X cards of your library. Until end of turn, you may cast spells from among those exiled cards. 5/3 | 
| Ertai's Scorn | 1UU | Instant | This spell costs {U} less to cast if an opponent cast two or more spells this turn. Counter target spell. | 
| Kindly Cognician | 1U | Artifact Creature — Cyborg Artificer | Spells you cast that refer to artifacts or Contraptions in their rules text cost {1} less to cast. 1/3 | 
| 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 | 
| Foundry Inspector | 3 | Artifact Creature — Construct | Artifact spells you cast cost {1} less to cast. 3/2 | 
| Etherium Sculptor | 1U | Artifact Creature — Vedalken Artificer | Artifact spells you cast cost {1} less to cast. 1/2 | 
| Stinkdrinker Daredevil | 2R | Creature — Goblin Rogue | Giant spells you cast cost {2} less to cast. 1/3 | 
| Defiler of Vigor | 3GG | Creature — Phyrexian Wurm | Trample As an additional cost to cast green permanent spells, you may pay 2 life. Those spells cost {G} less to cast if you paid life this way. This effect reduces only the amount of green mana you pay. Whenever you cast a green permanent spell, put a +1/+1 counter on each creature you control. 6/6 | 
| Dragonlord's Servant | 1R | Creature — Goblin Shaman | Dragon spells you cast cost {1} less to cast. 1/3 | 
| Mana Matrix | 6 | Artifact | Instant and enchantment spells you cast cost up to {2} less to cast. |