It's important to keep cards that will help you add gas to your tank, so try to hold onto cards like Lucky, Pongo, Tinker Bell, Strike a Good Match, Hypnotize, and Improvize when you see them
However, while Lightning Greaves has the advantage of no equip cost, it grants shroud, which stops you from targeting the equipped creature - which can be annoying in Commander decks built around buff spells or just running a lot of equipment cards
You can jump in and be playing Magic against a human opponent within a minute or so of launching the client, you can use any of several included pre-constructed decks for free, and I never had to wait more than a few seconds for a game
Its also a good choice if you love FFX Yshtola and the FFXIV Deck Finally, Yshtola is a white, blue and of course black for the black mage
they often rely on a Feasting Troll King to beat you in combination with Trail of Crumbs
Each turn you can select one card from your hand to stick face-down into your inkwell, where it can be tapped to provide an 'ink' per turn (which is used to pay for cards)