This is true of all Theros cards, but its especially fun with these heroes
So Strip Mine and Bazaar of Baghdad count, even if you dont plan to use them to cast your spells
This card effectively prevented the opponent from playing strong creatures, giving Kaiba a massive advantage
Typically however you want your top end at 7 and 8 if you want casting them as a backup (which the green based cheat in decks generally do)
Until Wizards prints bigger, badder finishers than these, expect their value to stay high
In this form, the two survived Lucemon's Dead or Alive by temporarily splitting apart into their human souls and the Spirits, and the reformed Susanoomon destroyed Lucemon with Ama-no-Habakiri and scanned his holy data Digicode in "Fight Susanoomon, Lucemon Reaches The Human World!!"