Deadly Grub is a common Creature — Insect card from Planar Chaos (PLC), collector number 69. Current market price: $0.17 (foil $0.60), TCGplayer market prices via Scryfall.
Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When this creature dies, if it had no time counters on it, create a 6/1 green Insect creature token with shroud. (It can't be the target of spells or abilities.)