If a Spell/Trap Card(s) is sent to your GY by a card effect: You can Set this card
Gods Willing and Growth Spiral are commons, Despark is an uncommon, and Approach of the Second Sun is a rare, but if you are opening a bunch of packs to try to complete a Strixhaven set, you'll still have to pay the full Mystical Archive price for these cards, even though they are unnecessary for gameplay because you likely already have (or could easily acquire) the lower-rarity version if you want to play them in your deck
Its controller can counter many deck strategies with its ability or even retrieve their own slain creatures
We only have two Monsters and West has three Mecha Bunnies, delaying the advance for another turn
There's something here for everyone
, and a variety of decks used the archetype as an engine to allow for unique combo lines that could summon nearly endless endboard pieces