Warrior's Realm

When Warrior's Realm enters the battlefield,
create three 1/1 black Outlaw Mudder creature
tokens.
At the beginning of your upkeep, lose 1 life and
create a 1/1 blue Rubber Ducky creature token.
{5}, {t}, Sacrifice Warrior's Realm: gain life
equal to the number of blue Rubber Ducky
tokens create by this card's effect.