M:tG card similarity search
B · Instant
As an additional cost to cast this spell, sacrifice a creature. Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Eidolon of the Great Revel | RR | Enchantment Creature — Spirit | Whenever a player casts a spell with mana value 3 or less, Eidolon of the Great Revel deals 2 damage to that player. 2/2 |
| Contaminated Drink | XUB | Instant | Draw X cards, then you get half X rad counters, rounded up. |
| Sphinx's Revelation | XWUU | Instant | You gain X life and draw X cards. |
| Kari Zev's Expertise | 1RR | Sorcery | Gain control of target creature or Vehicle until end of turn. Untap it. It gains haste until end of turn. You may cast a spell with mana value 2 or less from your hand without paying its mana cost. |
| Lozhan, Dragons' Legacy | 3UR | Legendary Creature — Dragon Shaman | Flying Whenever you cast an Adventure or Dragon spell, Lozhan, Dragons' Legacy deals damage equal to that spell's mana value to any target that isn't a commander. 4/2 |
| Tropical Storm | XG | Sorcery | Tropical Storm deals X damage to each creature with flying and 1 additional damage to each blue creature. |
| Crackle with Power | XXXRR | Sorcery | Crackle with Power deals five times X damage to each of up to X targets. |
| Boon of Boseiju | 1G | Instant | Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it. |
| Harrow | 2G | Instant | As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then shuffle. |
| Common Courtesy | 2UU | Enchantment | Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy. |