Once a Decayed creature attacks, it will get sacrificed at the end of combat even if it loses the ability somewhere in between
(Big Furry Monster, Right Side) Bind the Monster Chevill, Bane of Monsters Frankenstein's Monster Grusilda, Monster Masher Mister Hyde, Monster Within Monster Manual Monster Manual Monster Mashup Moss Monster Phantom Monster Rust Monster Sea Monster Sealock Monster Sludge Monster Thalia and The Gitrog Monster The Gitrog Monster Vivien, Monsters' Advocate Volo, Guide to Monsters Weaponize the Monsters Yidaro, Wandering Monster Yidaro, Wandering Monster
Websites like TCG Player and eBays completed listings can give you a good sense of what you should be paying
But the majority of the other holographic cards in this very first set have sold for astonishing prices
Templates range from classic frames similar to original Magic sets to modern expansions that emphasize bold color