Zoguz Slave to Azuk

Mountainwalk
{t}: Target creature gets +1/+0 and gains
first strike until end of turn.
When Zoguz Slave to Azuk enters or leaves the battlefield, you lose 3 life unless you control
another orc.
Whenever Zoguz Slave to Azuk deals combat
damage to a player, if you control a Swamp, you
may have that player discard a card.