Always prevail

Enchant creature Enchanted creature has flying. Prevent all combat damage that would be dealt to and dealt by enchanted creature.

Flying This creature can block any number of creatures. Whenever this creature blocks, it gets +1/+1 until end of turn for each creature it's blocking.

Enchant permanent Enchanted permanent has indestructible. (Effects that say "destroy" don't destroy that permanent. A creature with indestructible can't be destroyed by damage.)