Drooling Ogre
{1}{R}
Creature -- Ogre
3/3
Whenever a player casts an artifact spell, that player gains control of ~this~. (This effect lasts indefinitely.)
Golem's Heart
{2}
Artifact
Whenever a player casts an artifact spell, you may gain 1 life.
Urza's Chalice
{1}
Artifact
Whenever a player casts an artifact spell, you may pay {1}. If you do, you gain 1 life.