Once per turn (Quick Effect): You can detach 1 material from this card and send 1 card from your hand to the GY, then target 1 face-up card your opponent controls
Aetherworks Marvel During energy's time in Standard, the most notorious deck built around the resource was an Aetherworks Marvel deck that maximized energy production via cards like Attune with Aether and Six energy was surprisingly easy to amass, and if the Marvel didn't hit Ulamog the first time around, players were often able to try again the very next turn
34/75 Ursaring
Against creature-heavy strategies, especially those with small, aggressive creatures, mass removal like Engineered Explosives (which can also hit other permanent types!) or Supreme Verdict can turn the tide
Commander is a format of big, splashy spells that usually have some cool effect, so getting to copy it and then delay your opponents spell is huge, especially if theyve sacrificed resources to cast it ahead of time