Nautilus, Titan of the Depths

Vigilance, menace

Ward X, where X is the number of Tithe token you control.(It's an artifact with ''Sacrifice this artifact:
Draw a card.'')

At the beginning of each player's upkeep, that player discards a card and creates a Tithe.

At the beginning of combat on your turn, each opponent may give you a Tithe. Nautilus gains +4/+0, for each opponent that didn't, until end of turn.