M:tG card similarity search
3U/R · Creature — Weird
({U/R} can be paid with either {U} or {R}.) When Petrahydrox becomes the target of a spell or ability, return Petrahydrox to its owner's hand. 3/3
| Name | Mana | Type | Text |
|---|---|---|---|
| Thought Collapse | 1UU | Instant | Counter target spell. Its controller mills three cards. |
| Knights of the Black Rose | 3WB | Creature — Human Knight | When Knights of the Black Rose enters the battlefield, you become the monarch. Whenever an opponent becomes the monarch, if you were the monarch as the turn began, that player loses 2 life and you gain 2 life. 4/4 |
| Thrull Wizard | 2B | Creature — Thrull Wizard | {1}{B}: Counter target black spell unless that spell's controller pays {B} or {3}. 1/1 |
| Hydromorph Gull | 3UU | Creature — Elemental Bird | Flying {U}, Sacrifice Hydromorph Gull: Counter target spell that targets a creature you control. 3/3 |
| Spellbook | 0 | Artifact | You have no maximum hand size. |
| Virtue of Knowledge | 4U | Enchantment | If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. |
| Gangrenous Goliath | 3BB | Creature — Zombie Giant | Tap three untapped Clerics you control: Return Gangrenous Goliath from your graveyard to your hand. 4/4 |
| Salvage Scout | W | Creature — Human Scout | {W}, Sacrifice Salvage Scout: Return target artifact card from your graveyard to your hand. 1/1 |
| Braided Quipu | Artifact | {3}{U}, {T}: Draw a card for each artifact you control, then put Braided Quipu into its owner's library third from the top. | |
| Heaven's Gate | W | Instant | One or more target creatures become white until end of turn. |