It offers some moderate recovery by returning a Machine monster from your GY to your hand during the End Phase the turn Bullet Train hits the GY, and can sometimes be used to attack the opponent in a pinch, provided you have two cards to send to the GY
End the Turn A lot of my cards that are amazing with The Master on the battlefield get a lot less so if an opponent removes it, so I immediately put Sundial of the Infinite in the deck, since I can use it to keep some of those temporary tokens around
If thats sustainable, this green artifact is pretty good, and it seems awesome in multicolor food decks in Commander
You accomplish nothing being chickenshit
Meanwhile, Mono-Red Aggro doesn't have as much in terms of Modern potential (although Banefire shows up in some fringe decks) but offers some of the best non-rotating Standard cards from the series, with Runaway Steam-Kin being a Mono-Red staple and Experimental Frenzy likely to remain a part of the format even after rotation
Artist Ryota Murayama captures the essence of what life might have been like for ol' Korai in the Paldean distant past