With players shuffling up 99' card singleton decks, variance is directly built into the Commander format
For the Rush Duel series, see Chaos (Rush Duel series)
Bartz and Boko Birds of Paradise Birds of Paradise Black Chocobo Bronzebeak Moa Chicken Troupe Choco, Seeker of Paradise Darba Derevi, Empyrial Tactician Druid of the Sacred Beaker Falco Spara, Pactweaver Free-Range Chicken Gilded Goose Hunting Moa Icefeather Aven Kishla Skimmer Messenger Falcons Nadu, Winged Wisdom Ostrich-Horse Owlbear Owlbear Cub Pet Avengers River Hoopoe Sazh's Chocobo Squirrel Dealer Summon: Fat Chocobo Tainted Observer The Goose Mother Traveling Chocobo Turtle-Duck Waveskimmer Aven Whippoorwill Windreaper Falcon Zodiac Rooster
I just think it might be worth having the conversation, because it sure does make Legacy more fun
Lyra can be easily special summoned if another Constellar card is present, adding a spell from your deck to your hand, while Altea can target cards equivalent to the number of Light and Dark Xyz monsters on the field when summoned and destroy them