one piece tcg kaido deck OP05-118 Card Game Card 010 Description Kaido Deck List : r/OnePieceTCG

With other complementary artifact mana sources like Thran Dynamo and Grim Monolith, decks could count on being able to get the kind of mana you'd need to justify packing the cards that would let you use the mana from Metalworker to deliver the knockout blow, and their presence lets you turn that Metalworker mana into permanent giant amounts of mana rather than just a one shot deal

Another angle you can attack from is the Nadu Winged Wisdom combo

To make up for that, however, it also tacks on Toxic 1, allowing you to bring Poison counters into the game if your deck could take advantage of that

She also has Rope Dart, which lets you tap two untapped artifacts you control to deal 1 damage to each opponent

As a result, Splinter Twin eventually ended up being banned in Modern

The Soul Stone Even without all the harnessing and sacrifice text, The Soul Stone would be playable purely as an indestructible, untapped mana rock for 2 mana