Flying (This creature can't be blocked except by creatures with flying or reach.),
lifelink (Damage dealt by the creature also causes its controller to gain that much life.)
Whenever Aclazotz attacks, each opponent discards a card. For each opponent who can't, you draw a card.
Whenever an opponent discards a land card, create a 1/1 black Bat creature token with
flying (This creature can't be blocked except by creatures with flying or reach.).
When Aclazotz dies, return it to the battlefield tapped and transformed under its owner's control.