Whenever this creature attacks and isn't blocked, you may sacrifice it. If you do, destroy target creature defending player controls. It can't be regenerated.

First strike

: This creature deals 1 damage to any target.

This creature can't block creatures with power 2 or greater.

: Target land becomes a Swamp until its controller's next untap step.

Whenever this creature deals damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)

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

: This creature deals 1 damage to target creature with flying.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment.
: This enchantment deals 1 damage to each creature and each player.

Whenever this creature blocks a creature, that creature doesn't untap during its controller's next untap step.

Trample

At the beginning of your upkeep, sacrifice this creature unless you pay .

: Regenerate this creature.

Reach (This creature can block creatures with flying.)

Whenever this creature attacks and isn't blocked, it gets +2/+0 until end of combat.

Untap target creature an opponent controls and gain control of it until end of turn. That creature gains haste until end of turn. When you lose control of the creature, tap it.

Defender (This creature can't attack.)
: This creature can attack this turn as though it didn't have defender. Exile it at the beginning of the next end step.

: This creature gains shroud until end of turn and doesn't untap during your next untap step. Tap it. (A creature with shroud can't be the target of spells or abilities.)

First strike, haste

This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.