Hellbane and Sunscorn

Equipped creature has double strike and lifelink.
If equipped creature would cause another creature
to this turn die, exile it instead.
Whenever equipped creature would cause you to
gain life, you may instead add that much {r/w} to
your mana pool. This mana doesn't empty from
your mana pool as steps and phases end.
Equip, {2}{r}{w}