Gralzabarg, Destroyer Of Multi

This Card Cant Be Countered.
When this card enters the battlefield, tap all mana
you control, then sacrifice every nonland card
you control. Among them, there must be at least 1
of every mana
value from 1 to 8. If there is not, pay 3 life for each
card missing. If you cannot, exile this card. Every
turn, you must pay life equal to this creatures
power / 8. If you cannot, you lose. This card gains the power, toughness and effects of any card that leaves the field.