Sunbound

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.) Equip (: Attach to target creature you control. Equip only as a sorcery.)

This creature enters with three +1/+1 counters on it. Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

Enchant creature Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature."