ID please UPDATED WITH ANOTHER PIC

Might be Merulina. If it is keep it far away from other corals, in a stinging battle it will win and usually is devastating to the other coral.
 
man Matthew you have been buying up tons of stuff lately!!!

humm I would guess Merlina as well but not to sure as this is not my normal coral I like to keep or even research. If it is merlina be super careful with it and keep it away from everything..
 
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