yugioh card stickers or even your Nuka Yu-ge-O Card Collection Credit Card

The Herald will keep you alive once you would lose the game, while also preventing your opponent from winning the game

Whatever the best or most crucial land in your deck is, Crop Rotation will find that for you, and the land it puts in the graveyard is usually relevant too

If a card copied by one of the tokens had any "when [this permanent] enters the battlefield" abilities, then the token also has those abilities and will trigger them when it's created

They also feature alternate and usually very beautiful artwork

For example, if the creature card returned by Defossilize is somehow not a creature once it's on the battlefield, it can still explore

Furthermore, it also can negate the effect of an opponent's monster and take control of it once per turn by detaching a material from it