Vow of Duty [Commander Legends] Forest Dryad What is so confusing about

What is so confusing about that

"Understand the Simic

Set: Planechase 2012 Type: Sorcery Rarity: Rare Cost: {4}{W} Search your library for up to three Aura cards with different names

Set: Betrayers of Kamigawa Type: Legendary Creature — Spirit Rarity: Rare Cost: {2}{R} {1}{R}: Switch each creature's power and toughness until end of turn

Set: Secret Lair Drop Series Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {3}{G}{W} Indestructible

Vow of Duty [Commander Legends] Forest Dryad What is so confusing aboutSet: Commander Legends Type: Enchantment Aura Rarity: Uncommon Cost: {2}{W} Enchant creature Enchanted creature gets +2 +2, has vigilance, and can't attack you or planeswalkers you control. "I prefer loyalty to be a matter of respect, not of magic. But one does what one must." Kaalia of the Vast