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If you have a Synchro Monster in your field or GY: You can Special Summon this card from your hand. If this card is Special Summoned: You can place up to 3 Synchro Monsters with different names from your Extra Deck and/or GY in your Spell & Trap Zone as face-up Continuous Spells, and Special Summon 1 "Arc Token" (Machine/LIGHT/ATK 0/DEF 0) with a Level equal to the number placed, also for the rest of this turn, you cannot Special Summon from the Extra Deck, except Synchro Monsters. You can only use each effect of "Witness of the Ancient" once per turn.
自己场上或墓地有同调怪兽存在的场合：可以把这张卡从手卡特殊召唤。 这张卡特殊召唤的场合：可以从自己的额外卡组·墓地把最多3只卡名不同的同调怪兽当作永续魔法卡使用在自己的魔法与陷阱区域以表侧表示放置，在自己场上把持有放置数量相同等级的1只「弧光衍生物」（机械族·光·攻/守0）特殊召唤，这个效果的发动后，直到回合结束时自己不是同调怪兽不能从额外卡组特殊召唤。 「远古者的见证人」的每个效果1回合各能使用1次。