post son of rich mtg card Post, (Phyrexian Black can be paid with either B or 2 life.) Lifelink For each B in a cost K'rrik, Son of Yawgmoth (Post,

As you get to later rounds, you have a few vanilla cards with big stats

Chaos: Whenever you roll Chaos, until end of turn, whenever you cast a noncreature spell, put a 1/1 white Monk creature token with Prowess onto the battlefield

Simply tap dear old Krenko and you get to add X 1/1 red Goblin creature tokens where X is the number of goblins you control

Adding the cant be countered effect to those spells is insanely good, and makes the Halfling compete for the top spot with the good old BoP

In reality, I didn't actually play blue decks at the Pro Tour, but I have enough Sigils and Starfields to threaten to resolve