Kayn, Tyrant of Ruin

Flying, Bastion (When Kayn, Tyrant of Ruin enters
the battlefield under your control, you may
exile any number of non-Titan creatures you
control until it leaves the battlefield.)
When Kayn attacks, it gets +X/+0 until end of
turn, where X is the number of cards exiled with
Kayn.
Discard a land card: Deal X damage to target
creature or planeswalker, where X is the number
of cards exiled with Kayn.