The flexibility to not only copy your own spells but opposing spells as well means you should always find a good target, whether it be removal, card draw, or anything else
This means that a permanent with protection from red can be the target of the emblem's triggered ability
Creature (27) 1x Baloth Gorger 3x Bloodstone Goblin 4x Elfhame Druid 2x Grand Warlord Radha 1x Grunn, the Lonely King 3x Hallar, the Firefletcher 3x Llanowar Elves 2x Marwyn, the Nurturer 3x Skizzik 3x Untamed Kavu 2x Verix Bladewing Land (24) 10x Forest 10x Mountain 4x Rootbound Crag Sorcery (3) 1x Fight with Fire 2x Grow from the Ashes Instant (6) 2x Gift of Growth 2x Shivan Fire 2x Wild Onslaught Sideboard Creature (2) 1x Baloth Gorger 1x Grunn, the Lonely King Instant (1) 1x Wild Onslaught Maybeboard Creature (4) 2x Ghitu Chronicler 2x Krosan Druid Planeswalker (2) 1x Chandra, Bold Pyromancer 1x Samut, the Tested Sorcery (2) 2x Chandra's Outburst Dominaria Kicker deck
But no set of precons is perfectly balanced, and some of these new cards just seem stronger than others
Creatures without flying that enter the battlefield later in the turn won't be able to block
A wide variety of decks represent the Modern meta in Magic: The Gathering , running the gamut from Esper control decks and the tricky Death & Taxes build to aggressive blue Merfolk decks