But I always add a fourth crucial category, and thats protection
As long as you have five or more cards in hand, you can perpetually take extra combats and gain extra mana until you find the cards you need
Legendary Creature - Human Wizard Theft (CTRL to add secondary) Tokens Anim Pakal, Thousandth Moon Whenever you attack with one or more non-Gnome creatures, put a +1/+1 counter on Anim Pakal, then create X 1/1 colorless Gnome artifact creature tokens that are tapped and attacking, where X is the number of +1/+1 counters on Anim Pakal
Warp World: With a lot of tokens, you can reset the board with all your creatures, artifacts, lands, and enchantments (minus your graveyard and exile zones) out on the battlefield
The same rule applies if youre playing Limited