Tkchan, Prodigy of Naya

Haste, trample, vigilance
Other creatures you control with power 5 or
greater have exalted and hexproof.
{2}{u}{r}{g}{w}: Create a token that's a copy of target permanent you control. That token gains haste
until end of turn.
{3}{g}{u}: Target creature you control has base
power and toughness 5/5. (This effect lasts
indefinitely.)