Just look at cards like Tatoyova, Benthic Druid, who is a five-mana Blue and Green 3/3 that lets you draw a card and gain one life whenever a land enters the battlefield
Kylox's Voltstrider Kylox's Voltstrider is already a good vehicle, with good stats and a low crew cost
Guardian Scalelord, Boon-Bringer Valkyrie and Mirror-Style Master give us serious value, the likes of which is only otherwise obtained by playing Jaxis the Troublemaker or Thundering Raiju
Terra, Herald of Hope serves as the Commander of this Mardu deck that melds the milling and discard of Red/Black with the Graveyard-oriented playstyle of White/Black
You don't need to put your cards in a fridge, buy a dehumidifier, or place them into a cryostasis capsule on the planet Thanthalteresco IX
Example: If you can't use all your mana now, you could end the turn after playing lands