Crocodile Spirit Stone

Equip {1} CSS cannot block.
When you cast crocodile spirit stone, equip it to
target crocodile creature you control. Creature
crocodile spirit stone is equipped cannot have more
than one artefact equipped, otherwise discard crocodile
spirit stone. Crocodile creature, crocodile spirit stone is
equipped gains +1/+0 and double strike. Crocodile
spirit stone cannot block or attack.(You may play as
many copies of crocodile spirit stone in your deck as you
like)