Giant Ox

This creature crews Vehicles using its toughness rather than its power.

Ox Drover

Vigilance
This creature can't be blocked by Oxen.
Whenever this creature enters or attacks, target opponent creates a 2/4 white Ox creature token and you draw a card.

Makindi Ox

Landfall — Whenever a land you control enters, tap target creature an opponent controls.

Ox of Agonas

When this creature enters, discard your hand, then draw three cards.
Escape—{R}{R}, Exile eight other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
This creature escapes with a +1/+1 counter on it.

Pillarfield Ox

Wild Ox

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Inquisitor's Ox

Delirium — This creature gets +1/+0 and has vigilance as long as there are four or more card types among cards in your graveyard.

Goldenhide Ox

Constellation — Whenever this creature or another enchantment you control enters, target creature must be blocked this turn if able.