Sure, it comes down earlier and is easier to cast, but isn't it usually better to pay RRR once and then have a free shock for every land you discard rather than pay R up front, and then another R every time you want to shock something
And in the far right is that the tower of the Great Illuminary
Kiora, Behemoth Beckoner: At 7 loyalty, youll almost always get to untap a land for several turns, which can enable some explosive plays with lands that tap for multiple mana
The secret is to ramp into this card using instants and sorceries like red rituals
Following Ursulas defeat (which you can help with by taking her on in the Illumineers Quest: Deep Trouble set!), the fifth set for Disney Lorcana is Shimmering Skies
I have to confess, while I enjoy mono-red decks none of mine are what I would call "burn" decks