Iroh, Dragon of the West

Firebending 2 (Whenever this creature attacks, add . This mana lasts until end of combat.)

Exhaust — : Put two +1/+1 counters on this creature. It gains trample until end of turn. (Activate each exhaust ability only once.)

At the beginning of combat on your turn, target creature you control gets +1/+0 and gains haste until end of turn.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Haste

Whenever another Ally you control enters, put a +1/+1 counter on that creature and it gains haste until end of turn.

Firebending 1 (Whenever this creature attacks, add . This mana lasts until end of combat.)

Whenever you cast a noncreature spell, Zuko gains first strike until end of turn.

Whenever Zuko deals combat damage to a player, put a +1/+1 counter on him.

Start your engines!

Other Goblins you control have haste.

At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token attacks this combat if able.

Max speed — : Add for each Goblin you control.

Firebending X, where X is Fire Lord Zuko's power. (Whenever this creature attacks, add X . This mana lasts until end of combat.)

Whenever you cast a spell from exile and whenever a permanent you control enters from exile, put a +1/+1 counter on each creature you control.