Teferi's Isle [Mirage] Dominaria "Rath grows

"Rath grows

The Cho-Arrim didn't rely only on a secret location to protect their Fountain

and you may spend mana as though it were mana of any type to cast that spell

Set: Mirrodin Type: Legendary Artifact — Equipment Rare Cost: {4} Equipped creature gets +5/+5

"After these words the magician drew a ring off his finger

Teferi's Isle [Mirage] Dominaria "Rath growsSet: Mirage Type: Legendary Land Rare Cost: Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.) Teferi's Isle enters the battlefield tapped. {T}: Add {U}{U}. The three wizards knew only that this isle held a great mysteryand that patience alone would solve it.