In Standard, my big concern is Sheoldred, which is really punishing against mass-card-draw effects like this
Mid budget ($150$500) Target the #8 M2 Mega Charizard X SR, the #7 S7R Charizard V CHR (under-the-radar value pick), or the #6 S4a Rainbow VMAX for peak Sword & Shield nostalgia
Mobilize gives the red, white, and black Mardu clan cards the ability to create x 1/1 red warrior creature tokens that are tapped to attack whenever that creature is attacking
Snuff Out Snuff Out provides a harsh lesson in market dynamics, and how scarcity affects prices: Having seen nearly no reprints after Mercadian Masques , Snuff Out sits in the Top 10 of most expensive commons for the whole game (when you look at the amount of money you have to pay to buy one, not the mana to cast it)
Some Universe Beyond precons falter because they focus more on printing new cards than building a cohesive strategy, as seen here
Gold Sarcophagus lets you do this by banishing a card straight from your deck