yugioh mathmech cards Subtraction (Yugioh Mystic Fighters) may be 1st or Unlimited Edition Mathmech | Yu-Gi-Oh! Wiki |

This Rakdos commander allows you to generate Food tokens simply by discarding a card, which you can later use to take down creatures with 6 toughness or less

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So is the manner in which Teferi, Time Raveler encourages all your opponents to play creatures that give their value up front with enters-the-battlefield effects and such, rather than playing the sort of good-on-rate creatures that Dungeon Geists can punish, such as Steel Leaf Champion

1 Panharmonicon

There are many Trainer Cards and special Abilities from Pokmon themselves that can help you fetch Energy Cards from your deck