Archetype of Courage | Enchantment Creature | Human Soldier | Creatures you control have first strike.
Creatures your opponents control lose first strike and can't have or gain first strike. | Willian Murai
Eidolon of Countless Battles | Enchantment Creature | Spirit | Bestow {2}{W}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Eidolon of Countless Battles and enchanted creature each get +1/+1 for each creature you control and +1/+1 for each Aura you control. | Raymond Swanland
Ghostblade Eidolon | Enchantment Creature | Spirit | Bestow {5}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Double strike (This creature deals both first-strike and regular combat damage.)
Enchanted creature gets +1/+1 and has double strike. | Ryan Yee
Ephara's Enlightenment | Enchantment | Aura | Enchant creature
When Ephara's Enlightenment enters the battlefield, put a +1/+1 counter on enchanted creature.
Enchanted creature has flying.
Whenever a creature enters the battlefield under your control, you may return Ephara's Enlightenment to its owner's hand. | Wesley Burt