Soma Venn, Whirling Master

Provoke
Whenever Soma Venn, Whirling Master blocks or becomes blocked you may pay {x}, if you do Soma Venn, Whirling Master gets +X/+X until end of turn. X can't be more than six.
Sacrifice Soma Venn, Whirling Master: All creatures lose hexproof and indestructible until end of turn, destroy target creature.