With how absurdly cheap Cloud, Midgar Mercenary is to keep on the field, there's practically endless combo potential for the Buster Sword-wielding hero to unleash upon your enemies
The indestructible counters are permanent, even if the saga enchantment creature itself leaves afterward
This is true even if you somehow no longer control a commander as you finish casting the spell
Its quite easy to make modified creatures with mechanics like job select and living weapon that create tokens to attach equipment to, not to mention whites plethora of counter production
commons have identified roles in Emerald aggro or control lists, buy a playset now at launch prices before a meta spike pushes them up
however, cards like Elsa - Snow Queen and Elsa - Queen Regent count as different cards, so players can have up to four of each of Elsa's various cards