Memory Jar [From the Vault: Relics] Rivals of Ixalan Prerelease Promos then return her to the

then return her to the battlefield transformed under her owner's control

change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep

An old and powerful wizard living on the mysterious isle of Tolaria

Search its owner's graveyard

Memory Jar [From the Vault: Relics] Rivals of Ixalan Prerelease Promos then return her to theSet: From the Vault: Relics Type: Artifact Rarity: Mythic Cost: {5} {T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.