It doesnt have any requirements for the sacrifice and a mana value of 3 is curve-friendly
Magic: The Gathering Comprehensive Rules, 701.21 Tap and Untap
Fierce Guardianship from Timeless Wisdom is the most expensive card ($45) in any of this years decks, followed by Deflecting Swat in Arcane Maelstrom ($26), and Deadly Rollick in Enhanced Evolution ($16)
Dimir Charm was also filling a disruption slot in the deck but also making up for a slight lack of ways to put things in the graveyard
I started to focus on Mana Geyser, Rousing Refrain, and Jeska's Will, which produces even more Red than a normal ritual, depending on the board state
Doing so early on can give one enough energy to play big strategies right out of the gate before the opponent can do anything about it