Caranthir, Wealth-Laden

Gemcut 3 (When this creature enters the battlefield,
place three +1/+1 counters on it, or create a colorless
jewel artifact token with "{1}, Sacrifice this artifact:
add two mana of any one color to your mana pool.")
Oathbound- Whenever this creature attacks it gets
+1/+0 until end of turn and deals 1 damage to
each player. It attacks each turn if able.
Whenever you create one or more jewel tokens,
create an additional token of that kind.