Barrin's Codex [Urza's Saga] Darkness You can only use each

You can only use each effect of "Subterror Fiendess" once per turn

and Xyz Monster from anywhere on the field

This Deck employs the classic "Synchro Climb" strategy with a twist: once you've finished climbing to the highest Level Synchro Monster

Set: Beta Edition Type: Artifact Rarity: Rare Cost: {2} At the beginning of each player's draw step

Barrin's Codex [Urza's Saga] Darkness You can only use eachSet: Urza's Saga Type: Artifact Rarity: Rare Cost: {4} At the beginning of your upkeep, you may put a page counter on Barrin's Codex. {4}, {T}, Sacrifice Barrin's Codex: Draw X cards, where X is the number of page counters on Barrin's Codex.