Snowball, the Wholehearted

When Snowball, the Wholehearted enters
the battlefield, create a Food token.
Sacrifice a Food: Target creature gains Hexproof
until end of turn.
{1}{r/g}: All Dogs you control get +1/+1 for each
Food on the battlefield and gain your choice of
Menace or Reach until end of turn. Activate
this ability only once each turn.