teenage mutant ninja turtles collector booster box – Mox Boarding House You may even find borderless source material cards with nostalgia as thick as the cheese pull on a pizza slice Magic: The Gathering | Teenage

Ignite the Future also deserves mentioning as it provides an even more powerful effect if the flashback cost is paid, as does Increasing Ambition

Bitterblossom Black Enchantment This gets out of hand very quickly

Draconic Destruction Commander: Atarka, World Render (Original printing: Fate Reforged) Exxaxl: It sounds like a lazy prediction, but Dragonlord Atarka makes a lot of sense

This is flexible, but giving your opponent mana means that you can't really cast it early -- otherwise the downside can be monumental -- so it's really not that flexible

(2) If this card is in your GY: You can add it and 1 card that mentions Ritual of Light and Darkness from your GY to your hand