M:tG card similarity search
4B · Creature — Vampire Warlock
Flying {1}{B}, {T}: Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value. 3/5
| Name | Mana | Type | Text | 
|---|---|---|---|
| Qarsi Deceiver | 1U | Creature — Naga Wizard | {T}: Add {C}. Spend this mana only to cast a face-down creature spell, pay a mana cost to turn a manifested creature face up, or pay a morph cost. (A megamorph cost is a morph cost.) 0/4 | 
| Nourishing Shoal | XGG | Instant — Arcane | You may exile a green card with mana value X from your hand rather than pay this spell's mana cost. You gain X life. | 
| Disrupting Shoal | XUU | Instant — Arcane | You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost. Counter target spell if its mana value is X. | 
| Rouse | 1B | Instant | If you control a Swamp, you may pay 2 life rather than pay this spell's mana cost. Target creature gets +2/+0 until end of turn. | 
| Flare of Denial | 1UU | Instant | You may sacrifice a nontoken blue creature rather than pay this spell's mana cost. Counter target spell. | 
| Archive Trap | 3UU | Instant — Trap | If an opponent searched their library this turn, you may pay {0} rather than pay this spell's mana cost. Target opponent mills thirteen cards. | 
| Pulverize | 4RR | Sorcery | You may sacrifice two Mountains rather than pay this spell's mana cost. Destroy all artifacts. | 
| Skyshroud Cutter | 3G | Creature — Beast | If you control a Forest, rather than pay this spell's mana cost, you may have each other player gain 5 life. 2/2 | 
| Grenzo, Crooked Jailer | 4BR | Legendary Creature — Goblin Rogue | When Grenzo enters the battlefield and at the beginning of your upkeep, heist target opponent's library. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast that you don't own. 6/4 | 
| North Star | 4 | Artifact | {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.) |