Akura Jebia

Paralysis, Crystallize (Whenever this creature
deals combat damage to another creature put a
Crystal Counter on it, then if 5 creatures under
your opponents control have a Crystal Counter
on them, destroy all creatures with a Crystal
Counter)
{3}{w}: This creature gains Double Strike until end
of turn
Akura Jebia is stronger and faster than Akura
Vashimu and is also capable of throwing some of its
sharper crystals as explosive shard projectiles