Entropic Decay allows you to mill four cards before casting Gray SlaadGray Slaad, meaning youre much more likely to have a 4/1 with menace and deathtouch
Its nothing fancy, but playing this on turn one allows you to play a four-cost card on turn two - and its rare that such a speedy start to a game doesnt result in a massive advantage
Instant Kindred - Shapeshifter Color tag templates(None) Instant (CTRL to add secondary) Cavern of Souls As this land enters, choose a creature type
Eluge, the Shoreless Sea Eluge, the Shoreless Sea is a slick cost reducer that drops those single cantrips down to free-spell status immediately, Opt for 0 mana is great, even if it's restricted to the first spell of the turn
Inquisition of Kozilek is perfect for Modern, as the most important cards in most decks are usually worth three mana or less