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Whenever you cast a colorless spell with mana value 7 or greater, you may exile Ugin's Binding from your graveyard

Emry's graveyard capabilities work well in conjunction with artifacts that can sacrifice themselves to gain a benefit, as Emry can repeatedly return these artifacts to play and accrue value

In Limited, where the card pool is inherently less powerful, Menace shines much brighter

Ashnod's Altar, Phyrexian Tower and Altar of Dementia are sacrifice outlets that allow you to turn your creatures into damage and mana

So instead of using your burn to attack your opponent directly, instead use it to kill their menace creatures

Its a great way to punish greedy turns and protect your own combos without relying on hard counters