Sure mobilize works great, but so do almost all other red and white mechanics, battle cry, battalion, exalted, mentor, provoke and training
Still, it enabled you to dig deeper into your deck
Sorcery Color tag templates(None) Sunset Revelry If an opponent has more life than you, you gain 4 life
It makes use of several other key cards like Argothian Opportunist that just miss the top 3 commons, as Green is fairly deep here with good commons
With Magic: The Gathering celebrating its 30th anniversary in 2023 and Doctor Who reaching the epic 60th year anniversary mark too, it seems that the time was right to bring the two properties together