Ivarum, the Storm King

When Ivarum enters, each player creates a Phylactery artifact Token with Indestructible and
"{t}, Pay 3 life: Sacrifice this token and deal 3 damage to any target.

When Ivarum enters, Amass X. (Create a black Zombie
Army creature token with X +1/+1 counters on it.)

Ivarum has Hexproof and Indistructible as long as any player controls a Phylactery token.