cool porygon pokemon card value LV.15 No.137 Holo Old Back 1997 NM-EX Japane RarityPromo Hit Points90 HP Colorless Powered Ball (50 Discard an Energy from this Pokémon.) Cool Porygon No.137 CD Promo

This is a nice board changer at a very acceptable price

Including ways to get lands back from the graveyard makes this deck more consistent and keeps you from ever actually going down on mana

Open Hostility Current value of reprints (only cards worth $1 or more): $80.50 Current value of new cards (only cards worth $1 or more): $22 Total current value: $102.50 Reprints of note: Karplusan Forest $8 Iroas, God of Victory $4 Lightning Greaves $4 Everlasting Torment $4 Dauntless Escort $3 Mycoloth $3 Thunderfoot Baloth $3 Boros Charm $3 Skullclamp $3 Dragonskull Summit $3 Sunpetal Grove $3 Den Protector $1.50 The reprint value in Open Hostility is higher than in Entropic Uprising, but the list of notable cards is less exciting

Even though the reminder text of extort has a hybrid white and black symbol, you can still use it in a mono-black deck since it has no bearing on its color identity

Even with the errata, the Companion cards are still seeing play in Modern as theyre free with little deckbuilding restrictions