Duppy, Udders-in-Mootion

When Duppy enters or attacks, conjure a Bartered Cow into your hand.

Other Oxen you control get +2/+2.

Food you control are 0/0 Ox creatures in addition to their other types.

{g}, Discard a card: Duppy gets +3/+3 and gains trample until end of turn. Activate this ability only once each turn.