I could see Briefing becoming Snapcaster 5+, but that brings up a host of new questions
I cant paint well in oils that small
Any continuous effects with a "for as long as" duration, such as that of Tide Shaper, ignore phased-out objects
In the case where the target creature is copying something else when Echoing Assault's second ability resolves, then the token enters as whatever that creature copied, except it's a 1/1
The deck has all of these, with Dragon MageDragon Mage and Dream PillagerDream Pillager getting us more cards to play, Drakuseth, Maw of FlamesDrakuseth, Maw of Flames, Hoard-Smelter DragonHoard-Smelter Dragon, and Tyrants FamiliarTyrants Familiar handling the removal, and Savage VentmawSavage Ventmaw and Rapacious DragonRapacious Dragon giving us some extra mana
Some of them will actually be creatures, so well be able to transform them back