Xeoscis, Deadly Moons

Flying
Whenever Xeoscis attacks, it gains lifelink until end of turn, and gets +1/+0. When this ability is countered, you may not use it again.
{1}{b}, Xeoscis's toughness is equal to its power until end of turn.
Whenever Xeoscis blocks, it gains deathtouch and menace until end of turn, and gets -1/-0.
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"Most are afraid of bats, but only do you dream this horror, until you meet him."