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 |
|---|---|---|---|
| A-Brine Comber | 1WU | Creature — Spirit | Whenever Brine Comber enters the battlefield or becomes the target of an Aura spell, create a 1/1 white Spirit creature token with flying. Disturb {W}{U} (You may cast this card from your graveyard transformed for its disturb cost.) 2/2 |
| Crystal Spray | 2U | Instant | Change the text of target spell or permanent by replacing all instances of one color word with another or one basic land type with another until end of turn. Draw a card. |
| Doomwake Giant | 4B | Enchantment Creature — Giant | Constellation — Whenever Doomwake Giant or another enchantment enters the battlefield under your control, creatures your opponents control get -1/-1 until end of turn. 4/6 |
| Rose Room Treasurer | 3R | Creature — Ogre Warrior | Alliance — Whenever another creature enters the battlefield under your control, create a Treasure token if this is the first or second time this ability has resolved this turn. Otherwise, you may pay {X}. When you do, Rose Room Treasurer deals X damage to any target. 4/3 |
| Biorhythm | 6GG | Sorcery | Each player's life total becomes the number of creatures they control. |
| Karn, Silver Golem | 5 | Legendary Artifact Creature — Golem | Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn. 4/4 |
| Dinotomaton | 3R | Artifact Creature — Dinosaur Gnome | Menace (This creature can't be blocked except by two or more creatures.) When Dinotomaton enters the battlefield, target creature you control gains menace until end of turn. 4/3 |
| Aven Warcraft | 2W | Instant | Creatures you control get +0/+2 until end of turn. Threshold — If seven or more cards are in your graveyard, choose a color. Creatures you control also gain protection from the chosen color until end of turn. |
| Deeproot Warrior | 1G | Creature — Merfolk Warrior | Whenever Deeproot Warrior becomes blocked, it gets +1/+1 until end of turn. 2/2 |
| Proft's Eidetic Memory | 1U | Legendary Enchantment | When Proft's Eidetic Memory enters the battlefield, draw a card. You have no maximum hand size. At the beginning of combat on your turn, if you've drawn more than one card this turn, put X +1/+1 counters on target creature you control, where X is the number of cards you've drawn this turn minus one. |