Baron Nyx, Ancient Blood

Haste, lifelink, first strike, supremacy 1(Whenever
a creature dealt damage by this creature turn dies, put
a +1/+1 counter on this creature.)
At the beginning of each end step, if you gained
five or more life this turn, you may search your library for a land card and put that card onto the battlefield tapped. Then shuffle your library.
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"When you lived for as long as I have, you forget how
many estates you own."-Baron N