Amped Raptor Ancient Den Arcums Astrolabe Birthing Pod Blazing Shoal Bridge From Below Chrome Mox Cloudpost Dark Depths Deathrite Shaman Dig Through Time Dread Return Eye of Ugin Field of the Dead Fury Gitaxian Probe Glimpse of Nature Golgari Grave-Troll Great Furnace Grief Hogaak, Arisen Necropolis Hypergenesis Jegantha, the Wellspring Krark-Clan Ironworks Lurrus of the Dream-Den Mental Misstep Mycosynth Lattice Mystic Sanctuary Nadu, Winged Wisdom Oko, Thief of Crowns Once Upon a Time Ponder Punishing Fire Rite of Flame Seat of the Synod Second Sunrise Seething Song Senseis Divining Top Simian Spirit Guide Skullclamp Summer Bloom The One Ring Tibalts Trickery Treasure Cruise Tree of Tales Umezawas Jitte Underworld Breach Up the Beanstalk Uro, Titan of Natures Wrath Vault of Whispers Violent Outburst Yorion, Sky Nomad If youre newer to Modern, you may not be familiar with the banlist or the cards on it

The ability to count on the card you are getting back from Tidehollow Sculler gives the opponent important information for several turns of what theyre gonna draw when they eventually kill the Sculler
Our backup commander is, thankfully, a bit more straightforward
Finally, the two more specific cards that caught my eye
Frenzied Goblin 3.5 Too mana intense and unreliable at getting the things you need through
Burn spells, creatures with trample or double strike, and ping abilities are now lethal with Fiendish Duo on the battlefield