This Ruler can J-activate into Vafthruthnir, the Frost Giant .
Monument of Wisdom
Monument of Wisdom
Attribute: Void Void
Card Type: Ruler
Race: Artifact
Abilities: [J-Activate] Pay Void 5, discard two [Race:Giant] cards in your hand.

[Continuous] All attribute costs of [Race:Giant] resonators in your hand are treated as free cost.

[Activate] Discard a [Race:Giant] resonator in your hand: Draw two cards from your main deck. This ability can be activated only once, and only during your turn.

Sets and Rarity:
[Valhalla Cluster] The War of Valhalla [EN]
[Valhalla Cluster] The Shaft of Light of Valhalla [JP]
(3-122 — Rare)