Throughout the first half of the game, Dion's relationship with his father is strained thanks to the manipulations of his stepmother Anabella, who schemes to have her son Olivier replace Dion as Sylvestre's successor
This is because Limited is full of creatures, and the removal that exists tends to be clunky (even good ones like Sephiroth's Intervention cost 4 mana)
The new ability specifically says action, which means a card with the action classification i.e
Barret, Avalanche Leader* Much better than Barrett from the main set, Final Fantasy 7 Commander Deck Barrett, Avalanche Leader provides a solid body that creates tokens for your equipment, and provides a limited, but completely free attaching method each turn
They are featured in the Amber Sing Together card, which is a mechanic that was introduced in set four
But if you do, boy howdy