It may seem janky but it has been going ok for me thus far
Masques Block limited was defined by Rebel decks: you either had them or you had to have a way to beat them
Unfortunately, however, theres little word on when this feature could arrive on the platform
Sanctuary Warden is a card Im pretty interested in running in a deck like Shalai, Voice of Plenty, where generated +1/+1 counters can be turned into card draw and chump blockers, while shield counters can do the most work under a blanket of hexproof
If you do, this creature gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking
The only downside to this spell is that it exiles itself once it resolves, (un)luckily making sure that it cannot be looped and recurred, but this isn't much of a downside at all with a card this versatile