For creature matchups, we have a motley crew of blue cards, with So Tiny being our Sword to Plowshares, Warrant // Warden often permanently answering a creature since we can put it on top of our opponent's deck and then mill it away, Run Away Together offering some fun tricks where we can bounce our opponent's best thing and one of our enters-the-battlefield mill creatures, and Flood of Tears being our (very bad) Wrath of God
When Deep Sea Diva is normal summoned, players can special summon a level 3 or lower Sea Serpent-type monster from the deck, which allows players to easily get more material for extra deck summons
It's simple, really
Do solo battle challenges to unlock more Hourglasses
[53] The fourth section is an original story, occurring only in the novel
However, Vi-Elecmon has, for some bizzarre reason, no support effect, so not that dangerous in this situation