Mirari's Wake [Judgment] Stadium but you must spend Chakra

but you must spend Chakra to play them and both cards and Chakra are limited

Set: Portal Second Age Type: Creature — Serpent Rarity: Rare Cost: {6}{U}{U} When Denizen of the Deep enters the battlefield

Set: Eighth Edition Type: Creature — Elf Rarity: Rare Cost: {1}{G}{G} Other Elf creatures get +1/+1 and have forestwalk

and finally the Hour of Eternity

"I am the blood of the ur-dragon

Mirari's Wake [Judgment] Stadium but you must spend ChakraSet: Judgment Type: Enchantment Rarity: Rare Cost: {3}{G}{W} Creatures you control get +1 +1. Whenever you tap a land for mana, add one mana of any type that land produced. The land drank power from the Mirari as though it had thirsted forever.