Arcbound Slith

Artifact Creature - Slith 0/0, 2 (2)
Whenever Arcbound Slith deals combat damage to a player, put a +1/+1 counter on it.
Modular 1 (This enters the battlefield with a +1/+1 counter on it. When it's put into a graveyard, you may put its +1/+1 counters on target artifact creature.)¹
Illus. Vance Kovacs

Gatherer Card Rulings [Nov 2009]

• 9/25/2006: If an Arcbound creature gets enough -1/-1 counters to make its toughness 0 or cause the damage on it to now be lethal, the Modular ability will still give another artifact creature a number of +1/+1 counters equal to the number the Arcbound creature had before it got -1/-1 counters.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/8)	Darksteel (Uncommon)