M:tG card similarity search
1U/R · Creature — Shapeshifter
Whenever you cast a spell that's both blue and red, Riverfall Mimic has base power and toughness 3/3 until end of turn and can't be blocked this turn. 2/1
| Name | Mana | Type | Text |
|---|---|---|---|
| Karn, the Great Creator | 4 | Legendary Planeswalker — Karn | Activated abilities of artifacts your opponents control can't be activated. [+1]: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. [−2]: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand. Loyalty 5 |
| Sky Theater Strix | 1U | Creature — Bird | Flying Whenever you cast a noncreature spell, Sky Theater Strix gets +1/+0 until end of turn. 1/2 |
| Glade Gnarr | 5G | Creature — Beast | Whenever a player casts a blue spell, Glade Gnarr gets +2/+2 until end of turn. 4/4 |
| Leyline of Punishment | 2RR | Enchantment | If Leyline of Punishment is in your opening hand, you may begin the game with it on the battlefield. Players can't gain life. Damage can't be prevented. |
| Artisan of Forms | 1U | Creature — Human Wizard | Heroic — Whenever you cast a spell that targets Artisan of Forms, you may have Artisan of Forms become a copy of target creature, except it has this ability. 1/1 |
| Slinking Serpent | 2UB | Creature — Serpent | Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) 2/3 |
| Chimil, the Inner Sun | 6 | Legendary Artifact | Spells you control can't be countered. At the beginning of your end step, discover 5. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.) |
| Quirion Dryad | 1G | Creature — Dryad | Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on Quirion Dryad. 1/1 |
| Siege Elemental | 4RR | Creature — Elemental | Trample Untapped creatures can't block. Tapped creatures can block. 6/6 |
| Double Down | 3U | Enchantment | Whenever you cast an outlaw spell, copy that spell. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws. Copies of permanent spells become tokens.) |