M:tG card similarity search
1G · Instant
Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it.
| Name | Mana | Type | Text |
|---|---|---|---|
| Tendrils of Corruption | 3B | Instant | Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control. |
| Arcane Subtraction | 1U | Instant | Target creature gets -4/-0 until end of turn. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) |
| Erratic Mutation | 2U | Instant | Choose target creature. Reveal cards from the top of your library until you reveal a nonland card. That creature gets +X/-X until end of turn, where X is that card's mana value. Put all cards revealed this way on the bottom of your library in any order. |
| Stormkeld Prowler | 1U | Creature — Human Rogue | Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on Stormkeld Prowler. 2/1 |
| Intruder Alarm | 2U | Enchantment | Creatures don't untap during their controllers' untap steps. Whenever a creature enters the battlefield, untap all creatures. |
| Sudden Death | 1BB | Instant | Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Target creature gets -4/-4 until end of turn. |
| Scarwood Hag | 1G | Creature — Hag | {G}{G}{G}{G}, {T}: Target creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.) {T}: Target creature loses forestwalk until end of turn. 1/1 |
| Skanos, Dragon Vassal | 4G | Legendary Creature — Dragon Ranger | Specialize {4} Whenever Skanos, Dragon Vassal attacks, another target attacking creature gets +X/+0 until end of turn, where X is Skanos's power. 4/4 |
| Grove Rumbler | 2RG | Creature — Elemental | Trample Landfall — Whenever a land enters the battlefield under your control, Grove Rumbler gets +2/+2 until end of turn. 3/3 |
| 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 |