Just by having Liliana, Dreadhorde General on the board, a player gets the ability to draw a card whenever a creature they control dies
Transforming Etali, Primal Conqueror is mostly a last resort though, because why would you not want to keep casting Etali, Primal Conqueror to play all of your opponents' decks
Merlin grants you the ability to search your deck for any card
Noctis, Prince of Lucis is a Rare, Legendary Creature - Human Noble card from the Magic The Gathering set Universes Beyond - Final Fantasy (MTGSC-FIN-0401)
Add Ashnod's Altar for infinite mana Sword of the Meek + Thopter Foundry + Time Sieve = infinite turns provided you can make five thopters Mycosynth Lattice + Sydri, Galvanic Genius = 1: target land is sacrificed Sydri, Galvanic Genius + Voltaic Construct + Grim Monolith/Mana Vault/Gilded Lotus = infinite mana