M:tG card similarity search
1RG · Enchantment
Whenever you cast a creature spell, seek a creature card with lesser mana value, then put it onto the battlefield.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Whir of Invention | XUUU | Instant | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle. | 
| Cateran Kidnappers | 2BB | Creature — Human Mercenary | {3}, {T}: Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle. 4/2 | 
| Cateran Persuader | BB | Creature — Human Mercenary | {1}, {T}: Search your library for a Mercenary permanent card with mana value 1 or less, put it onto the battlefield, then shuffle. 2/1 | 
| Woodland Bellower | 4GG | Creature — Beast | When Woodland Bellower enters the battlefield, you may search your library for a nonlegendary green creature card with mana value 3 or less, put it onto the battlefield, then shuffle. 6/5 | 
| Ramosian Commander | 2WW | Creature — Human Rebel | {6}, {T}: Search your library for a Rebel permanent card with mana value 5 or less, put it onto the battlefield, then shuffle. 2/4 | 
| Ramosian Lieutenant | 1W | Creature — Human Rebel | {4}, {T}: Search your library for a Rebel permanent card with mana value 3 or less, put it onto the battlefield, then shuffle. 1/2 | 
| Ramosian Sergeant | W | Creature — Human Rebel | {3}, {T}: Search your library for a Rebel permanent card with mana value 2 or less, put it onto the battlefield, then shuffle. 1/1 | 
| Protean Hulk | 5GG | Creature — Beast | When Protean Hulk dies, search your library for any number of creature cards with total mana value 6 or less, put them onto the battlefield, then shuffle. 6/6 | 
| Defiant Falcon | 1W | Creature — Rebel Bird | Flying {4}, {T}: Search your library for a Rebel permanent card with mana value 3 or less, put it onto the battlefield, then shuffle. 1/1 | 
| Cateran Overlord | 4BBB | Creature — Horror Mercenary | Sacrifice a creature: Regenerate Cateran Overlord. {6}, {T}: Search your library for a Mercenary permanent card with mana value 6 or less, put it onto the battlefield, then shuffle. 7/5 |