It is believed that the concept behind this mechanic is taken from a Japanese philosophy featuring five elements, the fifth being the Void
Will you uncover treasure and glory, or will your adventure spell certain doom? This The Lost Caverns of Ixalan Draft Booster Box contains 36The Lost Caverns of Ixalan Draft Boosters and 1 Treasure Trove Box Topper card

The time has come for me to share my findings: Creatures (17) 1 Voidmage Prodigy 1 Azami, Lady of Scrolls 1 Patron Wizard 1 Supreme Inquisitor 1 Information Dealer 1 Vedalken Aethermage 1 Sage of Fables 1 Sigil Tracer 1 Stonybrook Banneret 1 Delver of Secrets 1 Archaeomancer 1 Goblin Electromancer 1 Melek, Izzet Paragon 1 Jace, Vryn's Prodigy 1 Jori En, Ruin Diver 1 Aberrant Researcher 1 Docent of Perfection Lands (38) 8 Mountain 11 Island 1 Volcanic Island 1 Remote Isle 1 Smoldering Crater 1 Riptide Laboratory 1 Lonely Sandbar 1 Forgotten Cave 1 High Market 1 Mikokoro, Center of the Sea 1 Miren, the Moaning Well 1 Steam Vents 1 Swarmyard 1 Tolaria West 1 Cascade Bluffs 1 Reliquary Tower 1 Command Tower 1 Sulfur Falls 1 Desolate Lighthouse 1 Temple of Epiphany 1 Wandering Fumarole Spells (44) 1 Brainstorm 1 Whispers of the Muse 1 Impulse 1 Serum Visions 1 Peer Through Depths 1 Mana Geyser 1 Eyes of the Watcher 1 Long-Term Plans 1 Mana Echoes 1 Amnesia 1 Library of Lat-Nam 1 Shattering Pulse 1 Overmaster 1 Telling Time 1 Quicken 1 Reiterate 1 Pongify 1 Haze of Rage 1 Mystic Speculation 1 Cryptic Command 1 Ponder 1 Diviner's Wand 1 Rite of Replication 1 Preordain 1 Red Sun's Zenith 1 Chaos Warp 1 Spelltwine 1 Cyclonic Rift 1 Epic Experiment 1 Firemind's Foresight 1 Rapid Hybridization 1 Interpret the Signs 1 Polymorphist's Jest 1 Dig Through Time 1 Impact Resonance 1 Mob Rule 1 Anticipate 1 Jace's Sanctum 1 Pyromancer's Goggles 1 Fiery Confluence 1 Mizzix's Mastery 1 Mystic Confluence 1 Rise from the Tides 1 Geistblast One thing Im concerned about is I have few ways to gain life

What about Progenitus
Combined with some Simian Spirit Guides and rituals, if we can find a way to give the ol' Raze-Boar haste, I think we have the makings of a pretty threatening strategy
Often, the most playable answer to a strong Planeswalker is the downtick of another Planeswalker since they tend to target any permanent type