4 Arcum's Astrolabe 4 Prismatic Vista 4 Urza, Lord High Artificer 1 Teferi, Time Raveler 2 Saheeli, Sublime Artificer 2 Sai, Master Thopterist 1 Mox Amber 4 Paradoxical Outcome 2 Ichor Wellspring 4 Mox Opal 4 Everflowing Chalice 4 Mishra's Bauble 4 Serum Visions 1 Grinding Station 4 Engineered Explosives 2 Darksteel Citadel 1 Aether Spellbomb 4 Flooded Strand 1 Snow-Covered Plains 7 Snow-Covered Island Sideboard 2 Teferi, Time Raveler 3 Ceremonious Rejection 2 Disdainful Stroke 2 Rest in Peace 2 Timely Reinforcements 4 Path to Exile