Teferi's Isle [Mirage] SM167 sacrifice Dragon Whelp at the

sacrifice Dragon Whelp at the beginning of the next end step

Dracolich enters the battlefield tapped

Set: Innistrad: Midnight Hunt Commander Type: Legendary Artifact Rarity: Mythic Cost: {5}{W}{W}{W} Indestructible

Set: Mirrodin Besieged Type: Land Rarity: Rare {T}: Add {C}

then you may cast any number of spells from among those cards without paying their mana costs

Teferi's Isle [Mirage] SM167 sacrifice Dragon Whelp at theSet: Mirage Type: Legendary Land Rarity: Rare 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.