Momo

Equipped creature has first strike, trample, and
haste.
{1}: If you control Equipment named Appa,
Momo, and Aang's Staff, put a 4/4 colorless
Avatar Legend creature token named Aang into
play and attach those Equipment to it.
Equip {2}
"Someone's missing from your group, someone very important ... Where's Momo?"
-Bumi to Team Avatar.