Doom Slayer

Whenever Doom Slayer attacks, it gets +X/+X, where X is the amount of equipment attached to it.

Rip and tear - Whenever a creature dealt damage this turn by Doom Slayer dies, untap Doom Slayer. After this phase, there's an additional combat phase.

For there is only one dominant life form in this universe, and it carries a steel barreled sword of vengeance. All hail the coming of the destroyer, the Slayer's time is now.