The classic red spell is Fireball, a sorcery which costs X generic and one red mana to deal X damange, and it can be divided between targets by paying an additional one generic mana per target
Heres the suggested number of cards youll want to play at each mana cost in an average Limited deck: 0-1 Mana 1 2 Mana 5 3 Mana 6 4 Mana 3 5 Mana 2 6+ Mana 1 You can generally give-or-take one card for each spot on the curve, but prioritizing lower-cost cards is a good idea
And lets not forget Dragapult exits attack also hits the bench, setting up Glaceon for an even easier knockout
Appearance in World This category ties to flavor
I dont think this is really going to fly but combining this with Oblivion Ring, Leonin Relic-Warder, and related effects leads to a four card combo that will mill the opponent out on the spot using only cards that have decent utility all by themselves (other than the Altar, of course)
Nikya of the Old Ways Another deck that encourages you to specialize, Nikya of the Old Ways just wants you playing creatures, so it should be fairly straightforward to pilot