Black Panther

Annihilator 7
Wakanda forever-Black panther enters with hexproof and unblockable counter of life was paid to cast it
Vibranuim counter-whenever opponent cast a spell counter it if it was paid with cost less than double its original cost,Whenever opponent cast a spell Black panther deal damages equal to the cost opponent use to cast that spell
{x}-X cannot be less than 5,Roll a d20 if the result is odd multiply Black panther power and toughby 3 if it is even multiply it by 2