Momentum [Urza's Destiny]

$0.50
Type: MTG Single
Title
Set: Urza's Destiny
Type: Enchantment — Aura
Rarity: Uncommon
Cost: {2}{G}
Enchant creature
At the beginning of your upkeep, you may put a growth counter on Momentum.
Enchanted creature gets +1/+1 for each growth counter on Momentum.