By playing a card like Hellkite Courser, youre never actually casting your Commander from the Command Zone
Playing against Merlin Goat , you will have to consider whether challenging and banishing him is worth it for your opponent to gain the extra Merlin Goat as the Here I Come ability is not just on this turn

Advanced Search Sets Random Syntax Release date: 2020-01-09 Alseid of Life's Bounty Archon of Falling Stars Archon of Sun's Grace Banishing Light The Birth of Meletis Captivating Unicorn Commanding Presence Dawn Evangel Daxos, Blessed by the Sun Daybreak Chimera Dreadful Apathy Eidolon of Obstruction Elspeth Conquers Death Elspeth, Sun's Nemesis Favored of Iroas Flicker of Fate Glory Bearers Heliod, Sun-Crowned Heliod's Intervention Heliod's Pilgrim Heliod's Punishment Hero of the Pride Hero of the Winds Idyllic Tutor Indomitable Will Karametra's Blessing Lagonna-Band Storyteller Leonin of the Lost Pride Nyxborn Courser Omen of the Sun Phalanx Tactics Pious Wayfarer Reverent Hoplite Revoke Existence Rumbling Sentry Sentinel's Eyes Shatter the Sky Sunmane Pegasus Taranika, Akroan Veteran Transcendent Envoy Triumphant Surge Alirios, Enraptured Ashiok's Erasure Brine Giant Callaphe, Beloved of the Sea Chain to Memory Deny the Divine Eidolon of Philosophy Elite Instructor Glimpse of Freedom Ichthyomorphosis Kiora Bests the Sea God Medomai's Prophecy Memory Drain Nadir Kraken Naiad of Hidden Coves Nyxborn Seaguard Omen of the Sea One with the Stars Protean Thaumaturge Riptide Turtle Sage of Mysteries Sea God's Scorn Shimmerwing Chimera Shoal Kraken Sleep of the Dead Starlit Mantle Stern Dismissal Stinging Lionfish Sweet Oblivion Thassa, Deep-Dwelling Thassa's Intervention

Still, for the time being, the commanders listed here are mostly great options if you want to build a werewolf deck now
Cordial Vampire I think I just really like polite vampires
What do they do