Unsuspecting Natualist

Cat and Dog creatures you control get +2/+2
and Haste.
{t}{1}{b}{g}: Until the end of the turn, double the
power and toughness of Cat and Dog creatures
you control. At the beginning of the end step, sacrifice all Cat and Dog creatures you control.
When a Cat and Dog creature you control dies
place a +1/+1 counter on Unsuspecting
Naturalist.