Magic The Gathering - Collective Restraint - Invasion

Magic: the Gathering is a collectible card game created by Richard Garfield. In Magic, you play the role of a planeswalker who fights other planeswalkers for glory, knowledge, and conquest. Your deck of cards represents all the weapons in your arsenal. It contains the spells you know and the creatures you can summon to fight for you.

Card Name: Collective Restraint

Cost: 3U

Color: Blue

Card Type: Enchantment

Card Text: Creatures can't attack you unless their controller pays X for each creature he or she controls that's attacking you, where X is the number of basic land types among lands you control.