In enabling you to cheat permanents and land directly onto the field for free, Kellan, the Kid can build up to some truly explosive turns with the greatest of ease

Aang's Journey Brought Back Energybending Drannith Magistrate Zuko's Exile Empty City Ruse Aang, the Last Airbender Lita, Mechanical Engineer Aang's Iceberg Release to Memory Airbender Ascension Scout's Warning Airbender's Reversal Teferi's Protection Airbending Lesson Three Dreams Appa, Loyal Sky Bison Agent of Treachery Appa, Steadfast Guardian Bribery Avatar Enthusiasts Clone Avatar's Wrath Clone Legion Compassionate Healer Force of Negation Curious Farm Animals Imprisoned in the Moon Destined Confrontation Intruder Alarm Earth Kingdom Jailer Mystic Remora Earth Kingdom Protectors Prosperity Enter the Avatar State Sakashima of a Thousand Faces Fancy Footwork Standstill Gather the White Lotus Training Grounds Glider Kids Visions of Beyond Glider Staff Black Sun's Zenith Hakoda, Selfless Commander Bloodchief Ascension Invasion Reinforcements Cruel Tutor Jeong Jeong's Deserters Noxious Gearhulk Kyoshi Warriors Blasphemous Act Avatar Yangchen (The Legend of Yangchen // Avatar Yangchen) The Legend of Yangchen (The Legend of Yangchen // Avatar Yangchen) Diaochan, Artful Beauty Master Piandao Dockside Extortionist Momo, Friendly Flier Fervor Momo, Playful Pet Humble Defector Path to Redemption Insurrection Rabaroo Troop Lightning Bolt Razor Rings Mirrorwing Dragon Sandbenders' Storm Rending Volley South Pole Voyager Searing Blood Southern Air Temple Shattering Spree Suki, Courageous Rescuer Volcanic Torrent Team Avatar Warstorm Surge United Front Beastmaster Ascension Vengeful Villagers Elemental Bond Water Tribe Captain The Great Henge Water Tribe Rallier Heartbeat of Spring Yip Yip

Shrines are a unique card type that grow exponentially in value as the game progresses
Dusk Rose Reliquary This is probably too hot a take for this card, which is likely not great in Commander
The set features a huge number of legendary creatures, and one of the most exciting ones that has been revealed so far is Choco, Seeker of Paradise
This Bloomburrow commander has incredible snowball potentialspending 8 mana in a single turn means you have, well, lots of mana, so you should be able to cast both spells exiled off Muerra, which increases the odds of getting another two cards to cast the following turn, and so on