8Force
AKA MythStill
AKA c-c-c-c-c-combo breaker!
This deck plays 8 Force of Will to utterly dream crush greedy opponents. To make up for the obvious card disadvantage, the deck has Standstill and Accumulated Knowledge for card draw.
//Spells: 26
4 Force of Will
4 Force of Negation
4 Brainstorm
4 Swords to Plowshares
4 Accumulated Knowledge
2 Counterspell
2 Council's Judgment
1 Supreme Verdict
1 Terminus
//Planeswalkers: 4
2 Narset, Parter of Veils
2 Jace, the Mind Sculptor
//Enchantments: 7
3 Myth Realized
4 Standstill
//Lands: 23
3 Celestial Colonnade
4 Mishra's Factory
4 Flooded Strand
2 Polluted Delta
1 Marsh Flats
3 Tundra
3 Island
3 Plains
//Sideboard: 15
2 Containment Priest
2 Surgical Extraction
2 Flusterstorm
2 Disenchant
2 Pithing Needle
1 Supreme Verdict
1 Grafdigger's Cage
1 Engineered Explosives
2 Monastery Mentor
The goal is to stop opponent from resolving dangerous big spells, then eventually win with manlands or Myth Realized.
You can play through Standstill no problem. However the opponent popping it will give you a high chance of drawing countermagic.
Spoiler:
Force of Negation - 1UU
Instant
Alternate cost during opponent's turn: exile a blue card from hand
Counter target noncreature spell. Exile it instead of putting it into the graveyard.