bandai trading card games one piece three brothers ultra deck TheThree Starter [ST-13] : Toys & Trading card game (TCG) released by Carddass and licensed by Shueisha One Piece TCG - Ultra

For Gruul, you want to be able to ramp up to the point where you can cast your big creatures and for a little mana you can do just that

There are other opportunities in other slots to get uncommons, but these three slots will always deliver them

Enchantment Color tag templates(None) Tocasia's Welcome Whenever one or more creatures you control with mana value 3 or less enter, draw a card

This could very well be a future where Mirrodin was reclaimed by Phyrexia and the Mirarris goblin population would benefit from that

Still, if you build black-green deck around graveyard recursion and try really hard, the payoff is incredibly fun to pull off