In any given Meren sacrifice deck you should include Plaguecrafter, Victimize, Caustic Caterpillar, Viscera Seer, Accursed Marauder, and any other cheap way to get sacrifice triggers
Senseis Divining Top lets you draw the tutored card immediately, while Necropotence turns that precision into raw inevitability
The Undercity is a dungeon that cant be ventured through except by having initiative
Also in the FINAL FANTASY series: FINAL FANTASY - Commander Deck (Counter Blitz FINAL FANTASY X), FINAL FANTASY - Commander Deck (Limit Break FINAL FANTASY VII), FINAL FANTASY - Commander Deck (Revival Trance FINAL FANTASY VI), FINAL FANTASY - Commander Deck - (Scions & Spellcraft FINAL FANTASY XIV), FINAL FANTASY - Gift Bundle, FINAL FANTASY - Play Booster Display, FINAL FANTASY - Scene Box (Camp Comrades), FINAL FANTASY - Scene Box (Children of Fate), FINAL FANTASY - Scene Box (Garland at the Chaos Shrine), and FINAL FANTASY - Scene Box (The Siege of Alexandria)
You can toss four of these into a deck and then reliably draw one and drop it on turn four