M:tG card similarity search
2R · Instant
You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mountains you control.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Mind Swords | 1B | Sorcery | If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost. Each player exiles two cards from their hand. | 
| Zahid, Djinn of the Lamp | 4UU | Legendary Creature — Djinn | You may pay {3}{U} and tap an untapped artifact you control rather than pay this spell's mana cost. Flying 5/6 | 
| Heartlash Cinder | 1R | Creature — Elemental Warrior | Haste Chroma — When Heartlash Cinder enters the battlefield, it gets +X/+0 until end of turn, where X is the number of red mana symbols in the mana costs of permanents you control. 1/1 | 
| Tlincalli Hunter | 5GG | Creature — Scorpion Scout | Trample Once each turn, you may pay {0} rather than pay the mana cost for a creature spell you cast from exile. 7/7 | 
| Crash | 2R | Instant | You may sacrifice a Mountain rather than pay this spell's mana cost. Destroy target artifact. | 
| 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. | 
| As Foretold | 2U | Enchantment | At the beginning of your upkeep, put a time counter on As Foretold. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold. | 
| Demon of Death's Gate | 6BBB | Creature — Demon | You may pay 6 life and sacrifice three black creatures rather than pay this spell's mana cost. Flying, trample 9/9 | 
| Baleful Mastery | 3B | Instant | You may pay {1}{B} rather than pay this spell's mana cost. If the {1}{B} cost was paid, an opponent draws a card. Exile target creature or planeswalker. | 
| Misdirection | 3UU | Instant | You may exile a blue card from your hand rather than pay this spell's mana cost. Change the target of target spell with a single target. |