The Powerful Dragon [Unknown Event]

Title
$44.00
$44.00
Out of stock
Set: Unknown Event
Type: Legendary Creature — Dragon
Rarity: Rare
Cost: {3}{R}{R}
Flying
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Whenever one or more +1/+1 counters are put on a creature you control, exile the top card of your library. Until end of turn, you may play that card.