Argetun, Terror of the Marsh

Companion - Each creature in your starting deck
has a toughness of 4 (If this card is your chosen
companion, your may cast it once from outside the
game.)
Argetun, Terror of the Marsh enters the
battlefield with half X +1/+1 counters.
(Round down)
Creatures your control with a toughness equal to
4 gain lifelink and deathtouch.