M:tG card similarity search
1WU · Legendary Creature — Human Advisor
At the beginning of your end step, you may pay {1}. When you do, target artifact card in your graveyard perpetually gains "This spell costs {1} less to cast." If it's a creature or Vehicle card, it perpetually gets +2/+2. Put it into your library second from the top. 2/4
| Name | Mana | Type | Text | 
|---|---|---|---|
| Geistlight Snare | 2U | Instant | This spell costs {1} less to cast if you control a Spirit. It also costs {1} less to cast if you control an enchantment. Counter target spell unless its controller pays {3}. | 
| Jukai Naturalist | GW | Enchantment Creature — Human Monk | Lifelink Enchantment spells you cast cost {1} less to cast. 2/2 | 
| Dragonspeaker Shaman | 1RR | Creature — Human Barbarian Shaman | Dragon spells you cast cost {2} less to cast. 2/2 | 
| Marshmist Titan | 6B | Creature — Giant | This spell costs {X} less to cast, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) 4/5 | 
| Honest Rutstein | 1BG | Legendary Creature — Human Warlock | When Honest Rutstein enters the battlefield, return target creature card from your graveyard to your hand. Creature spells you cast cost {1} less to cast. 3/2 | 
| Bosk Banneret | 1G | Creature — Treefolk Shaman | Treefolk spells and Shaman spells you cast cost {1} less to cast. 1/3 | 
| Vanquish the Horde | 6WW | Sorcery | This spell costs {1} less to cast for each creature on the battlefield. Destroy all creatures. | 
| Ragemonger | 1BR | Creature — Minotaur Shaman | Minotaur spells you cast cost {B}{R} less to cast. This effect reduces only the amount of colored mana you pay. (For example, if you cast a Minotaur spell with mana cost {2}{R}, it costs {2} to cast.) 2/3 | 
| Stoic Rebuttal | 1UU | Instant | Metalcraft — This spell costs {1} less to cast if you control three or more artifacts. Counter target spell. | 
| Stone Calendar | 5 | Artifact | Spells you cast cost up to {1} less to cast. |