Flamebraider

Restricted mana dorks are an old design lever: the ability to make big mana that only pays for a narrow band of spells. Priest of Titania and its kin tied the payout to the number of creatures in a tribe; this one pays a flat two mana of any colors and clamps it to a single ancestry. The color-freedom is the wrinkle worth sitting with. Most tribal ramp fixes only its own colors or is monocolored by default, so it can be awkward in a tribe that wants to splash. Here the two mana comes in whatever combination the caster needs, which turns a two-drop into both acceleration and fixing for an Elemental deck that wants to reach across the wheel. The restriction pays for that generosity honestly: the mana evaporates against anything that is not an Elemental spell or an Elemental source's ability, so there is no bleaking it into removal or a splashed bomb outside the theme. A 2/2 body keeps it from being pure ritual: it can crew, chump, or carry an aura once the ramp has done its work. The design bet is that a tribe deep enough to want this card will have enough Elemental targets that the narrowness never bites, and that the color flexibility is worth more to a splashy Elemental build than raw generic acceleration would be.