Congregation at Dawn [Ravnica: City of Guilds] HGSS22 You can only use each

You can only use each effect of "Ancient Gear Ballista" once per turn

including a Level 11 Psychic Synchro Monster that becomes unaffected by the opponent's activated effects and can unleash a devastating attack the further you fall behind in Life Points

Set: Black & White: Plasma Blast Type: Grass Rarity: Secret Rare Retreat cost: Colorless

As the Behemoth attacks become more frequent

Congregation at Dawn [Ravnica: City of Guilds] HGSS22 You can only use eachSet: Ravnica: City of Guilds Type: Instant Rarity: Uncommon Cost: {G}{G}{W} Search your library for up to three creature cards, reveal them, then shuffle and put those cards on top in any order. "It is fitting that we meet in the first hour of light, for we are called by the Conclave to pierce a threat of darkness."