(Insert inventive combo name here)

, Sacrifice an artifact: Add an amount of equal to the sacrificed artifact's mana value.

Equipped creature has ", : This creature deals 1 damage to any target" and "Whenever a creature dies, untap this creature." Whenever a Shaman creature enters, you may attach this Equipment to it. Equip

This creature has flying as long as you control a blue creature. This creature has persist as long as you control a black creature. (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

, Remove a -1/-1 counter from a creature you control: This creature gets +3/+3 until end of turn.