The Last March of the Ents

(You may cast a legendary sorcery only if you
control a legendary creature or planeswalker.)
Choose one or both —
• Untap all creatures you control, until end of
turn, they become green Ent creatures with base
power and toughness 5/5 and trample.
• Untap all lands you control, until end of turn,
they become 2/2 creatures with trample that are
still lands.