Mox Tantalite [Modern Horizons] Urza's Power-Plant You may have Phyrexian Metamorph

You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield

Her only doubt is whether she will be strong enough to guide him to his destiny

that player discards four cards

if you control seven or more Plains

Mox Tantalite [Modern Horizons] Urza's Power-Plant You may have Phyrexian MetamorphSet: Modern Horizons Type: Artifact Rarity: Mythic Suspend 3{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.) {T}: Add one mana of any color.