Yels, Head of the Wildclaws

When you cast Yels, Head of the Wildclaws, for
each knight you control, create a 2/2 white Cat
Beast creature token.
Knights you control have "{w}, {t}: Tap target
creature."
Beasts you control have "{g/u}{g/u}, {ut}: Another
target creature gains hexproof until end of turn."
"We'll join the fun. Pay up if you survive."