Youll want to utilize RWs unparalleled access to protective interaction to keep your board in play
You can replace a basic land for Sanctum of Eternity, but since you have a larger mana curve, cutting a high-cost card like Magmatic Force might be better
Rayquaza - SWSH04: Vivid Voltage (SWSH04) The Rayquaza Amazing Rare, featured in Vivid Voltage, has seen an impressive surge as well
For anybody interested in short-term investment, purchasing a double-digit number of copies seems relatively safe before another potential reprint
Tips For Playing Ruby, Daring Tracker Your game plan should always be first turn land, second turn land then Ruby , and then third turn either an aggressive four-mana creature, a ramp spell like Migration Path, or a card-draw source like Beast Whisperer or Guardian Project