M:tG card similarity search
3 · Artifact Creature — Shapeshifter
Morph {0} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Proteus Machine is turned face up, it becomes the creature type of your choice. (This effect lasts indefinitely.) 2/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Stranglehold | 3R | Enchantment | Your opponents can't search libraries. If an opponent would begin an extra turn, that player skips that turn instead. |
| Eloren Wilds | Plane — Shandalar | Whenever a player taps a permanent for mana, that player adds one mana of any type that permanent produced. Whenever chaos ensues, target player can't cast spells until a player planeswalks. | |
| Arcbond | 2R | Instant | Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player. |
| Sygg, River Guide | WU | Legendary Creature — Merfolk Wizard | Islandwalk (This creature can't be blocked as long as defending player controls an Island.) {1}{W}: Target Merfolk you control gains protection from the color of your choice until end of turn. 2/2 |
| Mirror Wall | 3U | Creature — Wall | Defender (This creature can't attack.) {W}: Mirror Wall can attack this turn as though it didn't have defender. 3/4 |
| Identity Thief | 2UU | Creature — Shapeshifter | Whenever Identity Thief attacks, you may exile another target nontoken creature. If you do, Identity Thief becomes a copy of that creature until end of turn. Return the exiled card to the battlefield under its owner's control at the beginning of the next end step. 0/3 |
| Rune of Protection: White | 1W | Enchantment | {W}: The next time a white source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Tangleclaw Werewolf | 2GG | Creature — Werewolf Horror | Tangleclaw Werewolf can block an additional creature each combat. {6}{G}: Transform Tangleclaw Werewolf. 2/4 |
| Veiled Sentry | U | Enchantment | When an opponent casts a spell, if Veiled Sentry is an enchantment, Veiled Sentry becomes an Illusion creature with power and toughness each equal to that spell's mana value. |
| Act of Heroism | 1W | Instant | Untap target creature. It gets +2/+2 until end of turn and can block an additional creature this turn. |