Trample

Whenever Bull Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

When Bull Elephant enters, sacrifice it unless you return two Forests you control to their owner's hand.

Target creature gets +2/+0 until end of turn.

Target creature gets +2/+2 and gains trample until end of turn. Untap it.

Menace (This creature can't be blocked except by two or more creatures.)

When Iron Bully enters, put a +1/+1 counter on target creature.

, Sacrifice an artifact: Penregon Strongbull gets +1/+1 until end of turn and deals 1 damage to each opponent.

: Add .

Vigilance, haste

: Target opponent whose turn it is puts target nonlegendary creature card from your graveyard onto the battlefield under their control. It gains haste. Goad it. At the beginning of the next end step, exile it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)