The Aerial Annihilator

Begin the game with this card revealed.
Begin the game with 4 colorless artifact Sky
ship tokens with 10/10 flying, deathtouch,
Annihilator 4, and that can block any
number of creatures. (control cannot
change). If any leave the battlefield,
you get another on the next end step.
These tokens can't attack unless you have
threshold, hellbent and can't be used
to eliminate a player.