Panda, Grizz and IceBear, Bros

Mountainwalk, Bears you control have haste.
When Panda, Grizz and IceBear, Bros
enters the battlefield, create a green
Legendary 2/2 Panda bear creature token
with forestwalk and a blue Legendary
2/2 Ice Bear creature token with
islandwalk.
Tap three untapped Bears you control:
Copy target bear spell you control twice.
Activate only as a sorcery and only once
each turn.