yugioh arcadia cards Yu-Gi-Oh! - Samurai Sword Baron (WC10-EN001) - 5Ds Reverse of Promotional - Promo Edition Yu-Gi-Oh! 5D's World Championship 2010:

3 Argothian Elder, and Ashaya, Soul of the Wild Any infinite combo that uses a potential commander is great, and Ashaya, Soul of the Wild is a fantastic commander

Grass Pokemon 3

It's two more mana than I would like to do that in Modern with, though

SR Super Rare Grenosaurus Giga-Cannon X FIRE Rank 4 [ DinosaurXyzEffect ] ATK 2200 DEF 2000 2 Level 4 monsters When your Dinosaur monster destroys an opponent's monster by battle and sends it to the GY: You can detach 1 material from this card

Because it is a mandatory effect, it triggers regardless of whether it is sent to the Graveyard from the hand, the field, or directly from the Deck, making it very reliable

Jodah, Archmage Eternal has the exact same effect as Fist of Suns, but it's a creature, which is generally easier to remove than artifacts, and it costs 1 generic mana, 1 Blue, 1 Red, and 1 White