one piece bandai card game Promotion Pack Vol.6 edition product is a must Bandai One Piece Card Game

What sets Lightning Greaves apart, and arguably makes it much better than Swiftfoot Boots, is its equip cost:

Ikoria: Lair of Behemoths is a set aimed at designing gigantic, intimidating creature cards, which makes it a likely place to find one or two other broken cards, with the benefit of higher casting costs and the lessons learned from War of the Spark and Throne of Eldraine hopefully keeping them in check

Just be sure before you start that everyone is playing the same game

But there could be newer planeswalkers printed in the future which aren't legendary, and of those you would be able to have multiple at the same time

Freed from their respective labs, the two weirds formed a partnership, feeding on the arcane energies of war