Is Arclight the best choice for MCQ/Arena Grinding

After the past MCQ weekend here in the Philippines and headed into the the Star City Games Invitation, I feel that Arclight Phoenix might be the best choice.

Here is the decklist I have been running on MTGA (Magic: The Gathering Arena)

Creatures
4x Arclight Phoenix
4x Goblin Electromancer
4x Crackling Drake

Spells
4x Opt
4x Shock
4x Chart a Course
4x Radical Idea
2x Lava Coil
2x Lightning Strike
2x Tormenting Voice
2x Saheeli, Sublime Artificer
2x Finale of Promise
1x Discovery / / Dispersal

Lands
7x Island
6x Mountain
4x Steam Vents
4x Sulfur Falls

Sideboard
2x Spell Pierce
2x Negate
2x Narset, Parter of Veils
2x Legion Warboss
2x Sarkhan the Masterless
2x Disdainful Stroke
1x Beacon Bolt
1x Saheeli, Sublime Artificer
1x Niv-Mizzet, Parun
1x Entrancing Melody

Watch the video and comment below.

I really enjoyed playing this deck and feel it is positioned correctly in the Standard Magic Metagame.