Mystical Teachings
Featured by Todd Anderson on 2010-02-14 (Extended)
As written about in http://www.starcitygames.com/magic/extended/18769_Constructed_Criticism_Grinding_The_Gauntlet_Five_Decks_For_The_Grand_Prix.html

Maindeck:

Artifacts
2 Engineered Explosives (Not currently legal in Extended)

Creatures
1 Baneslayer Angel

Instants
1 Careful Consideration (Not currently legal in Extended)
4 Cryptic Command (Not currently legal in Extended)
1 Doom Blade
4 Esper Charm (Not currently legal in Extended)
1 Extirpate (Not currently legal in Extended)
1 Logic Knot (Not currently legal in Extended)
4 Mana Leak
3 Mystical Teachings (Not currently legal in Extended)
3 Path to Exile (Not currently legal in Extended)
1 Repeal (Not currently legal in Extended)
4 Spell Snare (Not currently legal in Extended)
1 Think Twice

Legendary Creatures
1 Crovax, Ascendant Hero (Not currently legal in Extended)
3 Teferi, Mage of Zhalfir (Not currently legal in Extended)

Basic Lands
5 Island
1 Plains
1 Swamp

Lands
3 Drowned Catacomb
2 Glacial Fortress
2 Hallowed Fountain
3 Marsh Flats
2 Misty Rainforest
2 Mystic Gate (Not currently legal in Extended)
1 River of Tears (Not currently legal in Extended)
1 Scalding Tarn
2 Watery Grave

Sideboard:
3 Kitchen Finks (Not currently legal in Extended)
1 Extirpate (Not currently legal in Extended)
1 Fracturing Gust (Not currently legal in Extended)
1 Pact of Negation (Not currently legal in Extended)
1 Pulse of the Fields (Not currently legal in Extended)
1 Ravenous Trap
2 Shadow of Doubt (Not currently legal in Extended)
1 Crovax, Ascendant Hero (Not currently legal in Extended)
1 Vendilion Clique (Not currently legal in Extended)
3 Deathmark