Nightsky Mimic 
Creature — Shapeshifter
$0.18 #30593 0.00 18.2 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%
$0.08↓#264650.0018.2 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%
$0.09↓#307780.0018.5 years
"Whenever you cast a white spell, this creature gets +1/+1 until end of turn."
Woodlurker Mimic80%
$0.24↑#296070.0018.2 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%
$0.26↑#255400.0017.5 years
"As long as you control another multicolored permanent, this creature gets +1/+1 and has flying."
Sky Weaver76%
$0.08↓#316120.0026.0 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%
$0.11↓#317130.12↑18.2 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%
$0.09↓#252940.13↑25.7 years↑
"Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on this creature."
Shorecrasher Mimic74%
$0.23↑#307580.0018.2 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 Viashino73%
$0.15↓#247990.0717.5 years
"Whenever you cast a multicolored spell, this creature gets +3/+3 until end of turn."
Questing Druid // Seek the Beast71%
$0.35↑#8702↑0.11↑3.1 years↓
"Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on this creature."
Abzan Kin-Guard71%
$0.07↓#280000.25↑11.7 years↓
"This creature has lifelink as long as you control a white or black permanent."
Emberstrike Duo70%
$0.09↓#303640.0018.5 years
"Whenever you cast a black spell, this creature gets +1/+1 until end of turn."
Infernal Pet70%
$0.11↓#262470.005.7 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."
Skinshifter70%
$0.36↑#20671↑0.0015.3 years↓
"• Until end of turn, this creature becomes a Bird with base power and toughness 2/2 and gains flying."