Ancestral Recall is the classic example in Vintage, forcing players to have an answer on turn one or risk falling impossibly behind
Mizzix of the Izmagnus is particularly useful when paired with Seething Song and Reiterate, which, if you have enough experience counters, leads to infinite red mana and an infinite storm count
Svyelun of Sea and Sky Ward 1 is more of an annoyance than a real protective ability, but Svyelun of Sea and Sky has built-in resilience, so your opponent cant brush it aside
Having this sort of ramp attached to your commander makes it incredibly difficult to keep Choco off the battlefield, and the Bant colors gives you access to counterspells and things like Teferi's ProtectionTeferi's Protection to protect your growing Bird army from battlefield sweepers
I just don't have the budget to purchase endless amounts of Pokmon booster packs hoping to find everything I need
Meanwhile, some of the rarest cards sold were giveaways from the 2002 Tropical Mega Battle Tournament