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 |
|---|---|---|---|
| Gideon of the Trials | 1WW | Legendary Planeswalker — Gideon | [+1]: Until your next turn, prevent all damage target permanent would deal. [0]: Until end of turn, Gideon of the Trials becomes a 4/4 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn. [0]: You get an emblem with "As long as you control a Gideon planeswalker, you can't lose the game and your opponents can't win the game." Loyalty 3 |
| Anurid Swarmsnapper | 2G | Creature — Frog Beast | Reach (This creature can block creatures with flying.) {1}{G}: Anurid Swarmsnapper can block an additional creature this turn. 1/4 |
| Hidden Ancients | 1G | Enchantment | When an opponent casts an enchantment spell, if Hidden Ancients is an enchantment, Hidden Ancients becomes a 5/5 Treefolk creature. |
| Dragonlair Spider | 2RRGG | Creature — Spider | Reach Whenever an opponent casts a spell, create a 1/1 green Insect creature token. 5/6 |
| Kiln Fiend | 1R | Creature — Elemental Beast | Whenever you cast an instant or sorcery spell, Kiln Fiend gets +3/+0 until end of turn. 1/2 |
| Opening Ceremony | 4RR | Sorcery | Add {W}{U}{B}{R}{G}{C}. You may open a sealed Magic booster pack. Until end of turn, you may cast spells from among the cards in that booster pack. |
| Demon's Horn | 2 | Artifact | Whenever a player casts a black spell, you may gain 1 life. |
| Akroan Skyguard | 1W | Creature — Human Soldier | Flying Heroic — Whenever you cast a spell that targets Akroan Skyguard, put a +1/+1 counter on Akroan Skyguard. 1/1 |
| Opal Caryatid | W | Enchantment | When an opponent casts a creature spell, if Opal Caryatid is an enchantment, Opal Caryatid becomes a 2/2 Soldier creature. |
| Setessan Oathsworn | 1GG | Creature — Satyr Warrior | Heroic — Whenever you cast a spell that targets Setessan Oathsworn, put two +1/+1 counters on Setessan Oathsworn. 1/1 |