Surprisingly, none of the first 11 puzzles featured the Tron lands. Upon realizing this, I set out immediately to remedy the situation. This puzzle is the result. It begins in your first main phase, and your goal is to win this turn.
Player: 1 Life
Lands: Urza's Mine, Urza's Power Plant, Urza's Tower, Swiftwater Cliffs
Field: Wretched Gryff x2, Mulldrifter, Prophetic Prism, Relic of Progenitus
Hand: Shimmering Grotto, Ghostly Flicker, Flame Slash, Diabolic Edict
Library: Flame Slash, Urza's Tower, Echoing Decay, Rolling Thunder
Opponent: 8 Life
Field: Stormbound Geist x3
Graveyard: Scornful Egotist
Solution
1. Play Shimmering Grotto
2. Tap Relic to exile Egotist
3. Use Prism to cast Ghostly Flicker, targeting Prism and Relic. Draw Flame Slash
4. Flame Slash a Geist, tap Relic in response to the Undying trigger
5. Flame Slash a Geist, cast Diabolic Edict in response to the Undying trigger. With both Undyings on the stack, crack Relic
6. Swing for 8
Pauper Puzzles 
Does this work?
Use prism and a 2 mana land to cast ghostly flicker targeting mull drifter and prism. Draw three cards use prism to cast echoing decay targeting storm bound Geist. Pay 1 mana to sacrifice relic in response to triggers. Swing 8.
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Meant the 3 mana land
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The mulldrifter will have summoning sickness, so while that’s an effective way to clear the opponent’s board, you’ll only be able to swing for 6.
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