Its a very important aggro card, and not only saw a lot of play in Standard, particularly in Arena BO1, but also had a good showing in Pioneer in the early days of that format
Modal cards that are flexible like this are always worth looking at and trying out for sure
Equip variants or equip abilities with restrictions, like the "equip legendary creature" ability of Wrecking Ball Arm, are still equip abilities, and their costs will be reduced by Cloud's last ability
And the removal is abundant and efficient
Turbulent Lands Commander players are going to want to snap up this entire cycle of lands
Its a solid Standard MTG deck for sure, but might not be the most fun for some newer players, because you spend a lot of time building up for a single strong turn and cant do anything especially flashy with your creatures