Elemental Blade Magic

This can only effect the creature that has Elemental Blade Magic. Roll a D4 1= when equipped creature attacks or blocks a creature, do 2 damage to that creature. 2= when equipped creature attacks or blocks a creature, tap that creature until your next turn. 3=
when equipped creature attacks or blocks a creature, equipped creature gets +2/+0 until end of turn. 4=
when equipped creature attacks or blocks a creature, that creatures controller loses 2 life.