Akiera, the Multi-Armed

{t}: tap any number of creatures your opponents
contol with a total converted mana cost of 10 or
less. These creatures don't untap during their
controller's next untap step.
At the beginning of your upkeep, if a creature an opponent controls didn't untap for two turns,
destroy it.
2 human arms, 8 octopus arms, 1 purpose: drown you.