Im especially interested in using Herigast, Erupting Nullkite to pay the emerge cost of, say, Void Winnower or Ulamog, the Ceaseless Hunger
Often, sales and promotions are announced on Instagram, Facebook, or Twitter, giving you a heads-up to grab rare singles before they sell out
1999 Chansey (Base Set 1st Edition) It may surprise some, but Chansey is one of the most expensive Base Set holos when in Gem Mint condition

XY Three Pack Blister [Gyarados] BREAKpoint Collector Pin 3 Pack Blister [Shiny Mega Gyarados] Shiny Mega Gyarados Collection Triple Power Tin [Shiny Gyarados EX] $397.97 Mega Gyarados Collection Box $523.00 Gyarados ex Premium Collection $109.65 Team Up Premium Checklane Blister [Gyarados] $750.00 Hidden Fates Tin [Gyarados GX] $153.32 Dark Gyarados #36Uncommon $33.38 Dark Gyarados #8Classic Collection $5.17 Dark Gyarados (25) #25Rare $19.77 Dark Gyarados (8) #8Holo Rare $71.40 Dark Gyarados (Prerelease) #8Promo $37.21 Giovanni's Gyarados #5Holo Rare $123.56 Gyarados #6Holo Rare $49.67 Gyarados #6Holo Rare $121.04 Gyarados #7Holo Rare $42.14 Gyarados #12Holo Rare $49.11 Luxio #45Uncommon $0.13 Blitzle #48Common $0.05 Emboar EX #14Ultra Rare $2.82 Arcanine #11Uncommon $0.40 Meowstic #59Rare $0.13 Petilil #7Common $0.07 Greninja BREAK #41Rare BREAK $31.00 Espeon EX #52Ultra Rare $27.90 Shellder (23) #23Common $0.10 Zebstrika #49Rare $0.24

Its always been one of those unanswered questions in my mind
But only one of these can be played in a Mono-Green Commander deck