Traverse the Outlands [The List] SM240 Spells you cast with mana

Spells you cast with mana value 6 or greater have cascade

Or just look up a calculator online

Set: Neo Genesis 1st Edition Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

To get to Valor's Reach

Set: Sun & Moon: Celestial Storm Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

Traverse the Outlands [The List] SM240 Spells you cast with manaSet: The List Type: Sorcery Rarity: Rare Cost: {4}{G} Search your library for up to X basic land cards, where X is the greatest power among creatures you control. Put those cards onto the battlefield tapped, then shuffle. With such great footsteps, everything is within walking distance.