Jace, the Mind Sculptor - [Foil] Worldwake (WWK) JMP Deathtouch Other Zombie creatures you

Deathtouch Other Zombie creatures you control get +1/+1

you would need to assign the ocarina to an item slot

Heir to Blackblade: Search your library for up to two Swamp cards

Just be grateful

{T}: Target player loses 3 life unless they sacrifice a nonland permanent or discard a card

Jace, the Mind Sculptor - [Foil] Worldwake (WWK) JMP Deathtouch Other Zombie creatures you[+2]: Look at the top card of target player's library. You may put that card on the bottom of that player's library. [0]: Draw three cards, then put two cards from your hand on top of your library in any order. [1]: Return target creature to its owner's hand. [12]: Exile all cards from target player's library, then that player shuffles their hand into their library.