Armarria

Defender, reach
Whenever a player casts a noncreature spell, you
may pay {2}{g/u}. If you do, create a green and blue
Aura enchantment token named Shielding Plax
attached to target creature. The token has
enchant creature, "When Shielding Plax enters
the battlefield, draw a card," and "Enchanted creature can't be the target of spells or abilities
your opponents control."