One of the most common, if not the most common, ways to win with an Equipment deck is to suit up one creature, in many cases the deck's commander, with several Equipment cards that grant it protection from removal, stat buffs that make it lethal, and other effects like evasion, lifelink, or card advantage abilities
Doubling your own ETB triggers is already incredibly strong, but simultaneously shutting off everyone else's could make certain strategies just stop functioning altogether
That darn nostalgia, am I right
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Commander 2021 - Witherbloom Witchcraft $94.99 US Shipping Only Due to export restrictions, this item may only be shipped to addresses in the United States, APO/FPO addresses, and Puerto Rico