The Amorphtato

Each potato you sacrifice pays for {1}
to pay this spell.
Trample
The Amorphato's power and toughness is equal
to the number of potatos in your graveyard +2
If you have 6 or more potatos in your graveyard,
The amorphtato gains haste and double strike.
{g}, exile a potato from your graveyard:
Draw a card, gain 1 life