Rogue Power Core

Whenever a player casts a noncreature spell, you
may have Rogue Power Core deal 1 damage to
any target.
Dwell {u}{r} ({u}{r}: Exile this card dwelling in target
land you control.)
As long as Rogue Power Core is dwelling in a
land, that land has "{t}: add {u}{r}. Spend this
mana only to cast noncreature spells."