sam, ghost rider

Haste, indestructible.
{t}: deal 4 damage to any target.
sacrifice 10 creatures: create a 9/9 creature token watdat with 'when watdat enters the battlefield
deal damage to each opponent equal to the
number of creature cards in your graveyard'
and with 'whenever a creature you control is put
into the graveyard from anywhere suspend it with
6 time counters on it, deal damage to each
opponent equal to that cards mana value'.