While white has other token generators that are also sagas, particularly in current Standard, the sequence of token batches over multiple turns uniquely captures the progressive nature of the summon's animation, rather than creating them all at once
In a day when the only thing stopping players from seriously considering Mana Flare was that they were too busy saving up to buy their last Mox and they had enough respect for their red creatures to make sure most of them were tough enough to survive a Lava Dart, even if they didn't even know how good Lightning Bolt was let alone that they'd be pricking dogs with darts
Notable Cards: Aurora Dreaming Guardian Grab Your Sword Where to buy: 6
Theres also plentiful discussion on the topic on Twitter and YouTube
Hark, hear the Chocobo call forth
Impervious Greatwurm I talked about this card at length in a previous article where I looked at some cards that had inspired me, and I had multiple brews and ideas around this card