It sees inconsistent play in Pioneer, but it still sees some and has a reputation as one of the most powerful 1-drops in Magic
The issue is you neither want to replace action nor lands with it
The Upgrades Unleashed Kamigawa: Neon Dynasty Commander Deck set includes 1 ready-to-play deck of 100 Magic cards (2 traditional foil, 98 nonfoil), 1 foil-etched Display Commander (a thick cardstock copy of the commander card with textured foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 life tracker, and 1 reference card
If there's a cost with having that creature attack its owner, you aren't forced to pay that cost, so you may have it attack another player, attack a planeswalker an opponent controls, attack a battle an opponent protects, or not attack at all
At six this is easy to make pretty broken relatively consistently