Nautilus, Titan of the Depths

Deathtouch, defender
At the beginning of each end step, if an opponent
has attacked you or planeswalker you control,
they may choose to create a colorless treasure
artifact token under your control. If they do not,
you may have Nautilus deal damage equal to its
power to target creature that opponent controls.
"Want my advice, friend? Keep a coin in your pocket,
and always pay the Tithe." — Bilgewater sailor