Magosi, the Waterveil [Zendikar] Giant Wizard Venand Kapur—known as the Gearherder—built

Venand Kapur—known as the Gearherder—built this automaton to keep watch over his clockwork herds

you get {E}{E} (two energy counters)

Set: San Diego Comic-Con 2017 Type: Legendary Planeswalker — Jace Rarity: Mythic Cost: {3}{U}{U} +1: Scry 1

but knowledge is a skeleton key

Magosi, the Waterveil [Zendikar] Giant Wizard Venand Kapur—known as the Gearherder—builtSet: Zendikar Type: Land Rarity: Rare Magosi, the Waterveil enters the battlefield tapped. {T}: Add {U}. {U}, {T}: Put an eon counter on Magosi, the Waterveil. Skip your next turn. {T}, Remove an eon counter from Magosi, the Waterveil and return it to its owner's hand: Take an extra turn after this one.