Nightsky Mimic 
Creature — Shapeshifter
$0.18 #30320 0.18 18.1 years
Whenever you cast a spell that's both white and black, this creature has base power and toughness 4/4 until end of turn and gains flying until end of turn.
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Battlegate Mimic84%
$0.09↓#261210.00↓18.1 years
"Whenever you cast a spell that's both red and white, this creature has base power and toughness 4/2 until end of turn and gains first strike until end of turn."
Thistledown Duo82%
$0.08↓#304570.07↓18.3 years
"Whenever you cast a white spell, this creature gets +1/+1 until end of turn."
Woodlurker Mimic80%
$0.21↑#293460.2118.1 years
"Whenever you cast a spell that's both black and green, this creature has base power and toughness 4/5 until end of turn and gains wither until end of turn."
Esper Stormblade76%
$0.27↑#256820.05↓17.3 years
"As long as you control another multicolored permanent, this creature gets +1/+1 and has flying."
Sky Weaver76%
$0.08↓#313880.2225.9 years↑
"
: Target white or black creature gains flying until end of turn."
: Target white or black creature gains flying until end of turn."
Riverfall Mimic75%
$0.12↓#314460.00↓18.1 years
"Whenever you cast a spell that's both blue and red, this creature has base power and toughness 3/3 until end of turn and can't be blocked this turn."
Quirion Dryad74%
$0.10↓#250140.35↑25.6 years↑
"Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on this creature."
Shorecrasher Mimic74%
$0.18#304220.00↓18.1 years
"Whenever you cast a spell that's both green and blue, this creature has base power and toughness 5/3 until end of turn and gains trample until end of turn."
Gloryscale Viashino72%
$0.12↓#244020.00↓17.3 years
"Whenever you cast a multicolored spell, this creature gets +3/+3 until end of turn."
Questing Druid // Seek the Beast71%
$0.36↑#8502↑0.33↑3.0 years↓
"Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on this creature."
Abzan Kin-Guard70%
$0.08↓#277090.00↓11.6 years↓
"This creature has lifelink as long as you control a white or black permanent."
Infernal Pet70%
$0.10↓#258730.00↓5.6 years↓
"Whenever you cast your second spell each turn, put a +1/+1 counter on this creature and it gains flying until end of turn."
Emberstrike Duo70%
$0.10↓#299950.2718.3 years
"Whenever you cast a black spell, this creature gets +1/+1 until end of turn."
Skinshifter70%
$0.33↑#20244↑0.00↓15.1 years↓
"• Until end of turn, this creature becomes a Bird with base power and toughness 2/2 and gains flying."