M0　5-0で無課金に組みやすいデッキ発見したから貼っとく
デッキは赤黒バーン、２色土地を我慢すればレアWC８枚で組める

https://magic.wizards.com/en/articles/archive/mtgo-standings/competitive-standard-constructed-league-2018-10-11
Creature (12)
4 Fanatical Firebrand
4 Ghitu Lavarunner
4 Viashino Pyromancer

Sorcery (10)
2 Lava Coil
4 Sovereign's Bite
4 Sword-Point Diplomacy

Instant (16)
4 Lightning Strike
4 Risk Factor
4 Shock
4 Wizard's Lightning

Land (22)
4 Cinder Barrens
4 Dragonskull Summit
11 Mountain
3 Swamp