Jayce, Defender of Tomorrow

When Jayce, Defender of Tomorrow enters the battlefield, create and equip to him one of the following equipments:
• Mercury Hammer: Equipped creature gains +2/+2
and when equipped creature deals combat damage,
put a stun counter on target creature. Equip {3}
• Mercury Cannon: Equipped creature gains
+3/+1, and when equipped creature attacks, deal 2
damage to any target. Equip {3}