The Old One

Indestructible, Ward- pay 10 life
When you cast this spell, Destroy all other creatures.
You may cast Eldrazi spells without paying their
mana cost by paying life equal to their mana value.
Whenever you lose life, create an X/X Eldrazi creature token, where X is the amount of life lost.
Whenever an opponent loses the game, if they
were attacked by an Eldrazi this turn, another target opponent loses the game.