The expensive final ability does not trigger the second effect, but you'd rather have it as a mana sink than not have it at all
Based on the latest market prices tracked on TCG Stacked, Diviner's Lockbox is worth about $0.05 USD for a regular copy and $0.29 USD for a foil copy
Hows that for preparing to fight

We have listed all the Mega Shine Expansion cards below, with their details: Other cards in the expansion are: Scyther Pineco Volbeat Illumise Phantump Trevenant Charmander Charmeleon Ponyta Rapidash Magmar Magmortar Paldean Tauros Slowpoke Lapras Piplup Prinplup Empoleon Phione Pikachu Raichu Electabuzz Electivire Electrike Drowzee Hypno Mew Spoink Grumpig Diglett Dugtrio Groudon Hawlucha Gastly Haunter Darkrai Trubbish Garbodor Zorua Zoroark Morpeko Forretress Kartana Varoom Revavroom Dratini Dragonair Dragonite Axew Fraxure Haxorus Druddigon Jigglypuff Wigglytuff Miltank Chatot Minccino Cinccino Furfrou Nasty Notice Maintenance Iris Calem Hiking Trail Scyther shiny Pineco shiny Phantump shiny Trevenant shiny Charmander shiny Charmeleon shiny Ponyta shiny Rapidash shiny Slowpoke shiny Pikachu shiny Raichu shiny Electrike shiny Hawlucha shiny Gastly shiny Haunter shiny Zorua shiny Zoroark shiny Forretress shiny Dratini shiny Dragonair shiny Dragonite shiny Axew shiny Fraxure shiny Haxorus shiny These were all the Pokemon TCG Pocket Mega Shine Expansion cards

Able to create a 1/1 saproling token for four mana, Silmefoot comes with an excellent mana sink that works well in conjunction with the copious mana green can produce
Type weaknesses, status effects, item cards, and more carry over from the physical game, but the mobile version does a remarkable job at making it all feel uncomplicated