Xavi, Chaos Manipulator

Hexproof, Reach
When Xavi enters the battlefield or attacks,
each player discards 3 cards then draws 3 cards.
{x}{x}{r}{r}{t}: Xavi deals X damage to each
opponent for each land in their graveyard.
Lands can be played from the graveyard.
"They will pay for tarnishing this soil"