Any deck, especially creature token decks, can utilize Triumph of the Hordes as a win condition of epic proportions
Without the alternate casting cost, it's a very overpriced card drawer
These counters, in turn, unlock new levels with better stats and/or abilities
Escalate [cost] means For each mode you choose for this spell beyond the first, you pay an additional [cost]." Using the escalate ability follows the rules for choosing modes and paying additional costs in rules 601.2b and 601.2fh
Emerge 7G (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's converted mana cost.) When you cast Mockery of Nature, you may destroy target artifact or enchantment
Each "Mana Symbiote" pack comes with 10 lands total (two of each color) all in a special raised foil design