M:tG card similarity search
2GU · Creature — Merfolk Spirit
At the beginning of combat on your turn, Deepfathom Echo explores. Then you may have it become a copy of another creature you control until end of turn. (To have this creature explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.) 4/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Ulvenwald Mystics | 2GG | Creature — Human Shaman Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Ulvenwald Mystics. 3/3 |
| Ruby Collector | W | Creature — Human Detective | When you attack with three or more creatures, conjure a card named Mox Ruby into your hand. This ability triggers only once. {1}{R}: Creatures you control get +1/+0 until end of turn. 1/1 |
| Metropolis Sprite | 1U | Creature — Faerie Rogue | Flying {U}: Metropolis Sprite gets +1/-1 until end of turn. 1/2 |
| Stone Giant | 2RR | Creature — Giant | {T}: Target creature you control with toughness less than Stone Giant's power gains flying until end of turn. Destroy that creature at the beginning of the next end step. 3/4 |
| Arcum's Sleigh | 1 | Artifact | {2}, {T}: Target creature gains vigilance until end of turn. Activate only during combat and only if defending player controls a snow land. |
| Catapult Captain | Creature — Zombie | {2}{B}, {T}, Sacrifice another creature: Target opponent loses life equal to the sacrificed creature's toughness. 2/6 | |
| Chisei, Heart of Oceans | 2UU | Legendary Creature — Spirit | Flying At the beginning of your upkeep, sacrifice Chisei, Heart of Oceans unless you remove a counter from a permanent you control. 4/4 |
| Adriana, Captain of the Guard | 3RW | Legendary Creature — Human Knight | Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) Other creatures you control have melee. (If a creature has multiple instances of melee, each triggers separately.) 4/4 |
| Authority | 1W | Sorcery | Aftermath (Cast this spell only from your graveyard. Then exile it.) Tap up to two target creatures your opponents control. Creatures you control gain vigilance until end of turn. |
| Fires of Yavimaya | 1RG | Enchantment | Creatures you control have haste. Sacrifice Fires of Yavimaya: Target creature gets +2/+2 until end of turn. |