Backlash against the many massive and convoluted changes grew, since most of the rest of Magic was trying to move away from power level errata
Took a Level in Badass: The default variant of Mateo's personal weakness, "Serpents of Yig", is but a nuisance, due to having below-average stats (to the point that even Mateo can prevail in a direct fight against them), and even their main effect, sealing the Elder Sign, can fail to trigger if Mateo seals it somewhere else first (like on his signature)
Shuffling Style 5 - The Grandma Method Grandma's method of shuffling playing cards is also one of the easiest methods
Rowan makes cards that are already extremely strong such as Ad Nauseam and Bolas's Citadel EVEN STRONGER by making each drop of blood you pour into them discount your eventual game-winning spells, or even value pieces or tutors you might play along the way to secure your winning lines
Additionally, these cards feature a recessed hologram at the bottom, further enhancing their authenticity
If you have a pile of $2 cards, TCGPlayer is probably better for those
