Gardauvali, the Ruthless

Menace
Gardauvali, the Ruthless attacks each turn if able.
Delirium — As long as there are four or more
card types among cards in your graveyard,
Gardauvali, the Ruthless has trample and
whenever a creature dealt damage by Gardauvali,
the Ruthless this turn dies, put a +1/+1 counter
on Gardauvali, the Ruthless.
"...now's my turn."