Senshi, Dungeoneer Chef

Undergrowth — When Senshi, Dungeoneer Chef
enters the battlefield, create X+1 Food tokens,
where X is the number of creature cards in your graveyard.
{b}{g}, Sacrifice a Food token, {t}: Choose one -
• You gain life equal to the number of creature
cards in your graveyard.
• Target creature gets -X/-X until end of turn,
where X is the number of creature cards in your
graveyard.