Urborg Skeleton is a common Creature — Skeleton card from Invasion (INV), collector number 134. Current market price: $0.16 (foil $1.98), TCGplayer market prices via Scryfall.
Kicker {3} (You may pay an additional {3} as you cast this spell.) {B}: Regenerate this creature. If this creature was kicked, it enters with a +1/+1 counter on it.