Combos Utilizing Tetravus

only 3 lands needed to put tetravus into play instead of 6.

On your turn and on the turn of everyone else move all tokens off of tetravus for 4 1/1 flyers every turn, then Tetravus comes back at end of turn to make 4 more 1/1 flyers on the next turn.

trade the tetravuses back and forth to the graveyard with hell's caretaker, but move the counters off them just before they are sacked each time. you will get 3 free 1/1 fliers every turn.

unsummon tetravus back into players hand leaving 3 1/1 flying counters in play. next time summon tetravus again do it all over again.

Cast Tetravus and destroy it with Divine Offering. You gain 6 life.

untap all creatures as many times as needed during your upkeep