I'm honestly not quite certain what those enemies are that Cloud and Red are holding off while Aerith rejuvenates her team, and I feel a tad ashamed for saying it
The four elemental boss monsters were generic, spammable dragons that could fit into just about any elemental deck of the time, summoned from the deck by their smaller counterparts and able to bring themselves back into battle at a near-relentless pace
Hiker Hiker is used in Fighting-type decks and is very strong
I continue to reject the notion of the Commander staples necessity
Number of Lands Matters Multani, Yavimayas Avatar and the new Greensleeves, Maro-Sorcerer from Dominaria United Commander love having lots of lands on the battlefield, and both of them make fantastic backup beatdown plans in case your opponents have locked down Gaea Incarnate
If summoned by a Normal Summon, the card is destroyed