M:tG card similarity search
RG · Instant
As an additional cost to cast this spell, discard a red or green card. Target creature gains trample and gets +X/+0 until end of turn, where X is that creature's mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Gruul Keyrune | 3 | Artifact | {T}: Add {R} or {G}. {R}{G}: Gruul Keyrune becomes a 3/2 red and green Beast artifact creature with trample until end of turn. |
| Festival | W | Instant | Cast this spell only during an opponent's upkeep. Creatures can't attack this turn. |
| Mazzy, Truesword Paladin | 1RGW | Legendary Creature — Halfling Knight | Whenever an enchanted creature attacks one of your opponents, it gets +2/+0 and gains trample until end of turn. Whenever an Aura you control is put into your graveyard from the battlefield, exile it. Until the end of your next turn, you may cast that card. 3/4 |
| Megaflora Jungle | Plane — Gargantikar | Each creature with mana value 2 or less gets +2/+2. Whenever chaos ensues, create a 1/1 green Insect creature token with flying named Butterfly. | |
| Skittering Heartstopper | B | Creature — Insect | {B}: Skittering Heartstopper gains deathtouch until end of turn. 1/2 |
| Qarsi Deceiver | 1U | Creature — Naga Wizard | {T}: Add {C}. Spend this mana only to cast a face-down creature spell, pay a mana cost to turn a manifested creature face up, or pay a morph cost. (A megamorph cost is a morph cost.) 0/4 |
| Necropolis Fiend | 7BB | Creature — Demon | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Flying {X}, {T}, Exile X cards from your graveyard: Target creature gets -X/-X until end of turn. 4/5 |
| Soulshriek | B | Instant | Target creature you control gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. Sacrifice that creature at the beginning of the next end step. |
| When Fluffy Bunnies Attack | 3B | Instant | Target creature gets -X/-X until end of turn, where X is the number of times the letter of your choice appears in that creature's name. |
| Rushwood Legate | 2G | Creature — Dryad | If an opponent controls an Island and you control a Forest, you may cast this spell without paying its mana cost. 2/1 |