Bydrekid Chumbyxirinnish

When Brydrekid Chumbyxirinnish enters the battlefield, create a 2/2 giant crab token with
Reach and "{t} add {r}" named Shelby and a 2/2 panther token with Trample and "{t} add {g}"
named Luna.
Landfall: Whenever a land enters the battlefield,
put a +1/+1 counter on either Shelby or Luna
and then you may have either Shelby or Luna
fight any creature of your choice.