Lichs Mastery Lich's Mastery costs a whopping 6 mana, and while its in play you cant lose, period
If you lose the contest, you 2-for-1 yourself by losing a resource without costing your opponent anything (and sometimes you 3-for-1 yourself by giving your opponent a free resource )
In Legacy, we will mostly be recurring Brainstorms, Swords to Plowshares, Counterspells, and Mental Misstep (in the delusional fantasy world where Mental Misstep isnt banned)
If the chosen enchantment is an Aura but Estrid's Invocation won't be able to legally enchant anything, Estrid's Invocation remains in its current zone and doesn't enter the battlefield
This card wont push out the best green and white cards that can remove enchantments, but it does offer flexible removal at instant speed that can help deal with a Rest in Peace when you need it
Last week we saw the new Wilds of Eldraine commanders revealed, as well as all 10 Wilds of Eldraine draft strategies we'll encounter when WoE hits tables in two weeks' time