Jace's Guildpact Armor

(Cards without mana costs can't be played.)
Jace's Guildpact Armor is all colors.
If it's your second main phase, you may cast this
spell for {1}.
Equipped creature has all abilities of multicolored
creatures you control.(For example, if a
multicolored creature you control has flying, this
creature has flying.)
Equip {2}