Keldorn, Crafter of Stone Life

When Keldorn, Crafter of Stone Life enters the battlefield, create a 3/3 colorless golem creature
token.
When Keldorn, Crafter of Stone Life leaves play create three 3/3 colorless golem creature tokens.
Creatures can't attack you or a planeswalker you control unless their controller pays {1} for each
of those creatures.