Dave,God of Destruction

at the begining of your upkeep sacrifice 3
permanents or sacrifice Dave,God of Destruction
{x}{x}x{t}each player sacrifices x permanents
sacrifice an artifact add {c}{c} to your mana pool
{p/b}{1} each player sacrifices a creature
whenever you sacrifice a permanent on you'r main phase
put a +1/+1 counter on Dave,God of Destruction