pokemon card kingler - VMAX - 029/172 - Ultra Rare Colorless Crabhammer (40) Weakness Lightning ×2 Retreat Cost Kingler V & Vmax 029/172

No, the Playtest Cards from the Convention Edition Mystery Boosters are not legal in EDH

Kingdra #TG3Ultra Rare $12.67 Kingdra #8Holo Rare $23.41 Kingdra #19Rare $8.69 Kingdra #12Holo Rare $5.00 Kingdra #7Holo Rare $15.86 Kingdra #17Rare $3.84 Kingdra #107Rare $0.48 Kingdra #31Holo Rare $0.63 Kingdra #33Holo Rare $0.38 Kingdra #37Holo Rare $0.30 Vanillite #27Common $0.28 Espeon (Team Plasma) #48Uncommon $5.88 Pachirisu #37Common $0.40 Beldum #50Common $0.34 Seismitoad (Team Plasma) #26Rare $0.61 Metagross (Team Plasma) #52Holo Rare $10.98 Mankey #59Common $0.34 Palpitoad #25Uncommon $0.26 Thundurus EX (Team Plasma) #38Ultra Rare $13.33 Voltorb #32Common $0.25

It gives the option to sacrifice

Putrid Goblin Putrid Goblin is almost Constructed playable by virtue of being both a goblin and a zombie with combo potential

I am sure that you know how cards that allow you to recycle resources from the discard pile are often pretty broken, right