That interaction turned her +1 into a weapon rather than a drawback and helped cement her place among the best planeswalkers in MTG for early disruption and resource denial
Sure, the lifegain is a bit less relevant since Planeswalkers already artificially inflate life totals by virtue of needing to be attacked most of the time, but its not nothing
The Vault opens when it reaches 1,000 points
If you see that someone owns four Fable tokens (~$8/card), youll think to yourself: Man, they really love Fable of the Mirror-Breaker
Because the last ability of each Opposition Agent is trying to exile the card and give permission to play it, the owner of the exiled card chooses which effect wins
This card is the foundation of a GW go-wide ally strategy in Standard, and its also sees play in Commander when allies are involved