The TCG has been growing steadily since its initial release and following the meta-shifting introductions of Rise of the Floodborn and Into the Inklands, theres a healthy variety of competitive deck options
As the Beholder said: No such thing as wrong answers
One White Star Rainbow Rare cards have a single, shiny star that appears to be white (though, given how shiny the foil treatment of the cards are, it could arguably be said to be silver!)
A 3/4 for 3 with flash is a fine rate on a body, and the ability that forces a player to shuffle their library into their deck makes it a great answer to some really unfair strategies like reanimator or anything running Underworld Breach
Feline Ferocity provides three distinct archetypes to build around: Go Tall, Go Wide, and Equipment
While less pristine or ungraded cards are more accessible and budget-friendly, the focus here is on the value of cards in the best possible condition