An early inspiration for Urza, Tocasia's Onulets contained magical essences that could be cannibalized after they stopped functioning.

Masters Edition IV

Onulet

When Onulet is put into a graveyard from the battlefield, you gain 2 life.

When this creature dies, you gain 2 life.

An early inspiration for Urza, Tocasia's onulets contained magical essences that could be cannibalized after they stopped functioning.

When Onulet is put into a graveyard from play, you gain 2 life.

If Onulet is put into the graveyard from play, you gain 2 life.

If Onulet is placed in the graveyard, its controller gains 2 life.

If Onulet goes to the graveyard, its controller gains 2 life.