but it suffers from being a lot of mana for a minor effect
While Angel of Grace will keep you from losing to damage, you can still lose the game even with Angel of Grace's enters-the-battlefield trigger in effect (to something like loss of life, mill, or a Vraska, Golgari Queen emblem)
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Barring a specific Equipment theme and a lot of living-weapon-style creature/Equipment in there, its an odd thing, and it plays poorly
If you're keen on wiping the board and protecting your own stuff, Avacyn, Angel of Hope will give you what you want right in the command zone without needing to draw all those cards
Chart a Course will be a Standard staple that will find a home in tons of different archetypes, and the fact that it only barely cracked my Top 10 really helps show how deep Ixalan is