Mystic Remora is a great Commander card because your opponents either feed the fish or wont
The difficult part is making sure this 2/2 with no combat keywords survives combat every turn
People love cutting lands because it psychologically makes them feel like theyll flood less (statistically true, but by a minor amount)

Ajani, the Greathearted Angrath, Captain of Chaos Arlinn, Voice of the Pack Ashiok, Dream Render Chandra, Fire Artisan Davriel, Rogue Shadowmage Domri, Anarch of Bolas Dovin, Hand of Control Gideon Blackblade Gideon, the Oathsworn Huatli, the Sun's Heart Jace, Arcane Strategist Jace, Wielder of Mysteries Jaya, Venerated Firemage Jiang Yanggu, Wildcrafter Karn, the Great Creator Kasmina, Enigmatic Mentor Kaya, Bane of the Dead Kiora, Behemoth Beckoner Liliana, Dreadhorde General Nahiri, Storm of Stone Narset, Parter of Veils Nicol Bolas, Dragon-God Nissa, Who Shakes the World Ob Nixilis, the Hate-Twisted Ral, Storm Conduit Saheeli, Sublime Artificer Samut, Tyrant Smasher Sarkhan the Masterless Sorin, Vengeful Bloodlord Tamiyo, Collector of Tales Teferi, Time Raveler Teyo, the Shieldmage Tezzeret, Master of the Bridge The Wanderer Tibalt, Rakish Instigator Ugin, the Ineffable Vivien, Champion of the Wilds Vraska, Swarm's Eminence

Obyra, Dreaming Duelist which Google Docs keeps autocorrecting to Opera or Obama so Google, please stop is a new legendary creature from the Standard set, and lowers your opponent's life totals when a Faerie enters the battlefield under your control
Ive seen a bunch of UR Wizards decks so far, but the best ones lean on powerful spells rather than pushing through damage