The Mind Stone
Legendary Artifact — Infinity Stone
Oracle Text
Indestructible
: Add 
.
, : Harness The Mind Stone. (Once harnessed, its ∞ ability is active.)
∞ — At the beginning of your end step, exile up to one other target nonland permanent you control, then return that card to the battlefield under its owner's control.
Rules for this card
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A keyword ability that precludes a permanent from being destroyed. See rule 702.12.