Kykar decks are most often best as storm decks, casting a ton of spells in one turn to utilize cards that care about how many spells you cast that turn
My guess is thats why Tithe Taker was included in the precon, because it looks like a fish out of water otherwise
It was Gerrards nature to lead and the Mercadians to follow
Whenever this creature attacks, you win the game if there are twenty or more counters on it or you have twenty or more cards in hand
This card destroys problematic lands like Gaea's Cradle or Cabal Coffers and even hits basics if you want to be really nasty
Volcano Hellion's enters-the-battlefield ability deals any amount of damage we choose to a creature, which means we can pick a huge number like 1,000,000 to deal to Stuffy Doll and then use Stuffy Doll to throw that 1,000,000 damage at our opponent's face