If it's a land card, they'll put it into their hand
At just 1GW, Arahbo, Roar of the Worlds ability to give an attacking +X/+X, where X is its power, can quickly make your creatures a game-ending threat that are hard to stop without removal thanks to that lucky cat also getting trample
So it's no surprise that Sower's big daddy, Dragonlord Silumgar, would be as good as it is
There are several dozen cards that can get all or at least a lot of that stuff back all at once, but many are expensive to cast and some have the downside of returning a creature to your opponents
Now let's turn to card answers
Charismatic Conqueror isnt all that appealing if youre not supporting Vampires as a relevant creature type, but its a big deal if you are