question of decks in formats

Basically, I've come to a place in magic where i just need to play all formats lol. so i was wondering what you guys think i should build for each format, outside of standard, standard changes to quick to really know what decks should be built, but i'll list them anyhow:

Standard: 3
1. U/b control (or current top tier control deck)
2. u/w delver (or current best tempo deck)
3. u/w humans (or current best aggro deck)

Modern: 2
1. Jund
2. Scepter of secrets (?)

Legacy: 2
1. StoneBlade
2. Dredge (?)

Edh: 2
1. Karathus, tyrannt of Jund
2. Zur, the Enchanter

there at least two decks for each format for a reason, basically so my brother can always play with us, if he is there. also the decks with (?) marks are kinda asking if you think there is a more fun deck to build instead of that one, and if there is i might replace it haha.

LULWUT is Scepter of Secrets?

4 Delver of Secrets
3 Geist of Saint Traft
3 Snapcaster Mage
Creatures [10]
4 Isochron Scepter
4 Lightning Bolt
4 Lightning Helix
2 Magma Jet
4 Path to Exile
4 Serum Visions
3 Spell Pierce
2 Spell Snare
Spells [27]
4 Arid Mesa
2 Celestial Colonnade
1 Hallowed Fountain
3 Island
1 Mountain
1 Plains
1 Sacred Foundry
4 Scalding Tarn
2 Seachrome Coast
2 Steam Vents
2 Sulfur Falls

delver in modern....sexy

Is that a home brew? I have never seen it before. Seems pretty fun, though!