Sword of Vishanti

Enchant creature or planeswalker
Enchanted creature gets +1/+1 and has first
strike.
When Sword of Vishanti becomes attached to a planeswalker, you may add 1 loyalty counter to enchanted planeswalker.
Whenever you activate a loyalty ability of
enchanted planeswalker, Sword of Vishanti deals
2 damage to any target.
Sorcerer Supreme —If you control a Stephen planeswalker, you may cast this spell for {2}.