Maybe you turn them into a mana dork with something like Battery Bearer, Cryptolith Rite, or Citanul Hierophants, or tap them as part of the cost of an ability like Springleaf Drums
From a competitive standpoint, Flareon ex delivers impressive power and versatility
Psychic Bounder X LIGHT Level 4 [ MachineEffect ] ATK 1700 DEF 1000 If this card is Normal or Special Summoned: You can add 1 "Jinzo" or 1 Spell/Trap that specifically lists that card in its text, from your Deck to your hand
EX) Giant Rat is destroyed (facedown) while Broken Blocker is on the field
Kenrith, the Returned King Many of you are probably rolling your eyes and getting ready to point out that Kenrith, Returned King is a generic good stuff 5-color commander
The Lander token won't be created