Create a token that's a copy of one of those creatures, except its power is equal to the total power of those creatures, its toughness is equal to the total toughness of those creatures, and it's a colorless Eldrazi creature
A-Tier Longtusk Stalker: Energy 100% Faceless Agent: (basically any tribal-themed pack) Freyalise, Skyshroud Partisan: Freyalise 100% Blade Splicer: Many Faces 100% Restoration Angel: Flickering 100% Hardened Scales: Scaled Up 100% Master of the Pearl Trident: Merfolk 25% Svyelun of Sea and Sky: Merfolk 100% Nettlecyst: In the Machine 60% Thought Monitor: In the Machine 30% Priest of Fell Rites: Reanimated 100% Serra's Emissary: Serra's Realm 30% Sanctum Weaver: Enchanted 30% Sterling Grove: Enchanted 10% Sythis, Harvest's Hand: Enchanted 60% Thalia's Lieutenant: Humans 100% Yawgmoth, Thran Physician: Plague 100% As for the A-Tier cards, Enchantress is going to be the hardest deck to build since there is so much variance
Necropotence is able to out pace Ancestral Recall for cards per mana or even initial cards influx however it is slower to draw the cards and typically slower to cast with somewhat restrictive colour requirements
Not only can you earn exciting promo cards at these events, but you just might qualify for Pro Tour Lorwyn Eclipsed
3 foil cards featuring Ice Rider Calyrex VMAX or Shadow Rider Calyrex VMAX
SM8b GX Ultra Shiny was very popular