During Pro Tour Aetherdrift at Chicago MagicCon, Arne Huschenbeth went 9 - 1 with a typical controlling deck packed with removal, counterspells, boardwipes and big creatures, using Stock Up to dig for the perfect answers
Buying time and clearing away the battlefield means Ulamog is all the deadliernow exiling the biggest creatures or planeswalkers left behindand the option to pull out Kozilek, the Great Distortion means refilling your hand happens in an instant as well
These cards are for sure expensive and deserve a 3 rd place, but are they really THAT expensive
Flash Photography costs two colorless and two blue mana (four in total) to create a token thats a copy of target permanent
As far as a card goes, Burnished Hart was a ramp staple for a long time in any non-Green deck that just wanted to get lands out onto the battlefield
You could take the cat typal approach with this commander, though that's not necessary