Despite the recent banning of Sensei's Divining Top, Miracles has still cemented itself as the premier control deck in Legacy. This is so true that Miracles decks are becoming increasingly inbred to fight amongst themselves by including more cards like Mentor of the Meek, maindeck Flusterstorms, and even Accumulated Knowledge. That's all well and good, but sometimes you need to sidestep the existing plans if you want to gain a more substantive advantage:

Blue-White Energy Field | Legacy | adalid240477, 5-0 Competitive Legacy Constructed League

• Creatures (3)
• 3 Monastery Mentor

• Instants (20)
• 2 Counterspell
• 2 Enlightened Tutor
• 2 Spell Pierce
• 3 Impulse
• 3 Swords to Plowshares
• 4 Brainstorm
• 4 Force of Will

• Sorceries (6)
• 2 Preordain
• 4 Ponder

• Enchantments (8)
• 1 Detention Sphere
• 3 Energy Field
• 4 Rest in Peace

• Artifacts (3)
• 1 Engineered Explosives
• 2 Helm of Obedience

• Lands (20)
• 2 Plains
• 4 Island
• 1 Karakas
• 1 Seat of the Synod
• 2 Arid Mesa
• 2 Scalding Tarn
• 2 Tundra
• 2 Volcanic Island
• 4 Flooded Strand

• Sideboard (15)
• 1 Engineered Explosives
• 2 Flusterstorm
• 1 Humility
• 3 Leyline of Sanctity
• 2 Pyroblast
• 1 Red Elemental Blast
• 2 Spell Snare
• 1 Swords to Plowshares
• 2 Vendilion Clique

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What's most interesting about this package is that they are all artifacts and enchantments, which means that Enlightened Tutor becomes a powerful means of improving the consistency of your deck, as well as providing more consistent access to powerful singletons out of the sideboard, such as Humility, Circles of Protection, or even Moat.

As soon as too many decks start leaning on the same resource, opportunities to take advantage of that common tendency open up. At this particular juncture in Legacy, it seems like the graveyard is such a common dependency that you can gain an enormous advantage over the field by locking opponents out of using their graveyard.