Majora, Master Puppeteer

If Skull Kid is on the battlefield, he must be
under your control and Majora, Master
Puppeteer gets a +1/+1 counter.
This creature's toughness is equal to that of the creature with the highest toughness you control.
{b}: This creature's power is equal to target
creature's power, tap that creature.
{b}{t}: Target two creatures fight each other, any surviving creature is now under your control
until this ability is activated again.