M:tG card similarity search
1RR · Enchantment
{X}, Discard a card with mana value X: Knollspine Invocation deals X damage to any target.
| Name | Mana | Type | Text |
|---|---|---|---|
| Epic Experiment | XUR | Sorcery | Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard. |
| Pyrostatic Pillar | 1R | Enchantment | Whenever a player casts a spell with mana value 3 or less, Pyrostatic Pillar deals 2 damage to that player. |
| Synod Artificer | 2U | Creature — Vedalken Artificer | {X}, {T}: Tap X target noncreature artifacts. {X}, {T}: Untap X target noncreature artifacts. 1/2 |
| Atemsis, All-Seeing | 3UUU | Legendary Creature — Sphinx | Flying {2}{U}, {T}: Draw two cards, then discard a card. Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game. 4/5 |
| Scalding Viper | 1R | Creature — Elemental Snake | Whenever an opponent casts a spell with mana value 3 or less, Scalding Viper deals 1 damage to that player. 2/1 |
| Dovescape | 3W/UW/UW/U | Enchantment | ({W/U} can be paid with either {W} or {U}.) Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value. |
| Malicious Advice | XUB | Instant | Tap X target artifacts, creatures, and/or lands. You lose X life. |
| Flameblast Dragon | 4RR | Creature — Dragon | Flying Whenever Flameblast Dragon attacks, you may pay {X}{R}. If you do, Flameblast Dragon deals X damage to any target. 5/5 |
| Skyclave Apparition | 1WW | Creature — Kor Spirit | When Skyclave Apparition enters the battlefield, exile up to one target nonland, nontoken permanent you don't control with mana value 4 or less. When Skyclave Apparition leaves the battlefield, the exiled card's owner creates an X/X blue Illusion creature token, where X is the mana value of the exiled card. 2/2 |
| 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. |