Haste

Whenever Amber Gristle O'Maul attacks, you may discard your hand. If you do, draw a card for each player being attacked.

Choose a Background (You can have a Background as a second commander.)

At the beginning of your end step, each player loses 4 life unless they sacrifice a nontoken creature.

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Backup 2 (When this creature enters the battlefield, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.)

Menace

Trample

Whenever Kavu Mauler attacks, it gets +1/+1 until end of turn for each other attacking Kavu.

As an additional cost to cast this spell, exile a creature card from your graveyard.

When Maul of the Skyclaves enters the battlefield, attach it to target creature you control.

Equipped creature gets +2/+2 and has flying and first strike.

Equip

When Maulfist Doorbuster enters the battlefield, you get (two energy counters).

Whenever Maulfist Doorbuster attacks, you may pay . If you do, target creature can't block this turn.

Menace

Fabricate 1 (When this creature enters the battlefield, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on Sabertooth Mauler and untap it.

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters the battlefield with two +1/+1 counters on it.)

Trample

Equipped creature gets +1/+1. As long as it's legendary, it gets an additional +2/+2. As long as it's red, it has trample.

Equip (: Attach to target creature you control. Equip only as a sorcery.)