Brainstorm 8% of 12265 decks -12% synergy Beacon of Immortality 7% of 18744 decks +6% synergy Artifact Mutation 7% of 13970 decks +3% synergy Tamiyo's Safekeeping 7% of 48844 decks +1% synergy Golgari Charm 7% of 48844 decks +2% synergy Akroma's Will 7% of 18744 decks -3% synergy Plana...