RW Exile their board

Haste : Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

: Exile Mangara and target permanent.

Flash Flying When this creature enters, return a creature you control to its owner's hand. When this creature enters, exile target card from a graveyard.

Enchant creature Enchanted creature has ": Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."

(: Add .)