Mana Echoes [Onslaught]

Choose Condition

Quantity

Set Name:	Onslaught
Rarity, #:	Rare, 218
Card Type:	Enchantment
P / T:	N/A
Description:	Whenever a creature enters the battlefield, you may add an amount of equal to the number of creatures you control that share a creature type with it.
Flavor Text:	When the ground is saturated with mana, even the lightest footstep can bring it to the surface.