If damage would be dealt to another creature you control, prevent that damage. Put a +1/+1 counter on that creature for each 1 damage prevented this way.
When Heralds of the Shredder is put into a graveyard from anywhere, shuffle it into its owner's library.
NM-Mint Foil - $9.10
Lightly Played Foil - $8.20
Moderately Played Foil - $7.30
Heavily Played Foil - $6.40
Damaged Foil - $4.60
NM-Mint Foil Non English - $9.10
Lightly Played Foil Non English - $8.20
Moderately Played Foil Non English - $7.30
Heavily Played Foil Non English - $6.40
Damaged Foil Non English - $4.60