Sure, your opponent might have ten beasts in their green deck, but Callous Oppressor would still be able to steal their four goblins, three elves, and two other creatures that weren't beasts
You aren't going to win against the Friday Night Magic sharks with these and I wouldn't recommend them for those looking to play seriously (whatever that means) but for kitchen table Magic, there is tons of fun to be discovered with them
Then youve got Rare cards, denoted by a star
We traditionally do not see Hyper Rare cards breaking the top 10 for their sets, let alone several spots in
In multiplayer games, opponents rarely pay the tax for long
The card economy of these kinds of spells are normally traded off with losing access to the remaining cards, aside from an occasional shuffle, but the power level rises when suddenly the cards being placed there are going to be our next draw