Faerie Mastermind Player spotlight cards tend to be well-designed for Standard viability, but 2021 World Champion Yuta Takahashis Faerie Mastermind has proven itself an incredible value engine in EDH as well
Graded Population Report: Aerith Gainsborough [Borderless] #374 Visualize the distrbution of grades in the chart
That first chapter is basically an overloaded Cyclonic Rift, which should set up a huge, final attack
1 Witch of the Moors
Even still, having immediate access to the blink ability, a powerful sweeper, or just a stream of 2/2 double strikers is a huge breaker in any kind of midrange matchup
Practical tip: always declare proxy usage to the event organizer or pod before pairings, clearly mark proxied cards (so theyre distinguishable from potential fraud), and sleeve proxies to match the rest of your deck these small steps keep play smooth and preserve trust in formats that permit adaptations for cost