M:tG card similarity search
3R · Creature — Dragon
Flying Whenever you cast a spell, you may discard your hand. If you do, draw a card for each of that spell's colors. When Moonveil Regent dies, it deals X damage to any target, where X is the number of colors among permanents you control. 4/4
| Name | Mana | Type | Text | 
|---|---|---|---|
| Devil's Play | XR | Sorcery | Devil's Play deals X damage to any target. Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | 
| Cleaving Skyrider | 2W | Creature — Human Warrior | Flash Kicker {2}{R} (You may pay an additional {2}{R} as you cast this spell.) Flying When Cleaving Skyrider enters the battlefield, if it was kicked, it deals X damage to any target, where X is the number of attacking creatures. 2/2 | 
| Blessing of Frost | 3G | Snow Sorcery | Distribute X +1/+1 counters among any number of creatures you control, where X is the amount of {S} spent to cast this spell. Then draw a card for each creature you control with power 4 or greater. | 
| Death Grasp | XWB | Sorcery | Death Grasp deals X damage to any target. You gain X life. | 
| Scourge of Valkas | 2RRR | Creature — Dragon | Flying Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control. {R}: Scourge of Valkas gets +1/+0 until end of turn. 4/4 | 
| Zedruu the Greathearted | 1URW | Legendary Creature — Minotaur Monk | At the beginning of your upkeep, you gain X life and draw X cards, where X is the number of permanents you own that your opponents control. {U}{R}{W}: Target opponent gains control of target permanent you control. 2/4 | 
| Tomoya the Revealer | Legendary Creature — Human Wizard | {3}{U}{U}, {T}: Target player draws X cards, where X is the number of cards in your hand. 2/3 | |
| Corrosive Gale | XG/P | Sorcery | ({G/P} can be paid with either {G} or 2 life.) Corrosive Gale deals X damage to each creature with flying. | 
| Heaven | XG | Instant | Heaven deals X damage to each creature with flying. | 
| Windstorm | XG | Instant | Windstorm deals X damage to each creature with flying. |