
All Spirits have "When this permanent enters, you may have it deal 3 damage to target non-Spirit creature."
Non-Spirit creatures have "When this creature enters, you may have it deal 3 damage to target Spirit creature."
Illustrated by Jim Nelson
Released on February 4, 2005
Creatures with no creature type are non-Spirit creatures.
Clash of Realities's abilities apply as each creature enters and gives them an "enters" ability.