Hornet, Ruin Defender

Voidling (when this dies, return it to its owners
hand and create a black 2/2 creature shade with
shadow. When this shade dies, exile this from
your hand.)
Nail Arts (Artifacts attached to this creature have
hexroof.)
First strike, Haste
When Hornet, Ruin Defender attacks, flip a coin.
If you win, double its power.