Variations at times can get you a high finish in a Magic tournament, given the right timing of the metagame and cards’ power level. One example is this deck tech I have found from the recent Brazilian Nationals. Blue Black Control is the best course but why not try a midrange version?

Ub Midrange – Lucas Esper Berthoud
2nd place, Nationals 2017 – Brazil

Maindeck
26 LANDS
4 Drowned Catacomb
4 Evolving Wilds
4 Fetid Pools
1 Field of Ruin
5 Island
8 Swamp

14 CREATURES
4 Gifted Aetherborn
1 Gonti, Lord of Luxury
4 Kitesail Freebooter
3 The Scarab God
2 Torrential Gearhulk

19 INSTANTS and SORC.
4 Chart a Course
1 Commit / Memory
1 Essence Extraction
2 Essence Scatter
4 Fatal Push
2 Glimmer of Genius
3 Supreme Will
2 Vraska’s Contempt

1 OTHER SPELLS
1 Search for Azcanta

Sideboard
2 Contraband Kingpin
4 Duress
1 Essence Extraction
1 Gonti, Lord of Luxury
4 Negate
1 River’s Rebuke
1 Search for Azcanta
1 Vraska’s Contempt