M:tG card similarity search
2U · Enchantment
As Arcane Adaptation enters the battlefield, choose a creature type. Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
| Name | Mana | Type | Text |
|---|---|---|---|
| An-Zerrin Ruins | 2RR | Enchantment | As An-Zerrin Ruins enters the battlefield, choose a creature type. Creatures of the chosen type don't untap during their controllers' untap steps. |
| Umori, the Collector | 2B/GB/G | Legendary Creature — Ooze | Companion — Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) As Umori, the Collector enters the battlefield, choose a card type. Spells you cast of the chosen type cost {1} less to cast. 4/5 |
| Bloodline Pretender | 3 | Artifact Creature — Shapeshifter | Changeling (This card is every creature type.) As Bloodline Pretender enters the battlefield, choose a creature type. Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender. 2/2 |
| Rivals' Duel | 3R | Sorcery | Choose two target creatures that share no creature types. Those creatures fight each other. (Each deals damage equal to its power to the other.) |
| Tsabo's Decree | 5B | Instant | Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated. |
| Mistform Wakecaster | 4U | Creature — Illusion | Flying {1}: Mistform Wakecaster becomes the creature type of your choice until end of turn. {2}{U}{U}, {T}: Choose a creature type. Each creature you control becomes that type until end of turn. 2/3 |
| Herald's Horn | 3 | Artifact | As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand. |
| Harsh Mercy | 2W | Sorcery | Each player chooses a creature type. Destroy all creatures that aren't of a type chosen this way. They can't be regenerated. |
| Luminescent Rain | 2G | Instant | Choose a creature type. You gain 2 life for each permanent you control of that type. |
| Brass Herald | 6 | Artifact Creature — Golem | As Brass Herald enters the battlefield, choose a creature type. When Brass Herald enters the battlefield, reveal the top four cards of your library. Put all creature cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order. Creatures of the chosen type get +1/+1. 2/2 |