Shield of the Seraphim

Enchant creature or planeswalker
Ehchanted creature gets +0/+3 and has vigilance.
Ehchanted creature or planeswalker has hexproof.
When Shield of the Seraphim becomes attached
to a planeswalker, you may add 1 loyalty counter
to enchanted planeswalker.
Creatures can't attack enchanted planeswalker
unless their controller pays {1} for each creature attacking enchanted planeswalker.
Sorcerer Supreme —If you control a Stephen planeswalker, you may cast this spell for {3}.