You can certainly pick off small creatures with just one toughness with Kelsien, but if you want to start taking care of larger creatures, you're going to need to give him deathtouch
What experience do I have with them
A white-blue-black that costs four total mana, hes a 3/3 with incredible abilities for being that mana-cheap, including First Strike, vigilance, AND menace
1 Patchwork Banner Kindred Decks Have Never Been Better This little mana rock pulls double duty in a way that few other three-mana mana rocks have been able to over the years
Along with synergising with Up the Beanstalk (more on that later), the Whale provides powerful early removal while late game becoming a finisher thats hard to deal with, thanks to its flash ability enabling you to drop it at the end of your opponents turn, and Ward 2
Whenever you cast a noncreature spell with mana value 3 or greater, Yshtola deals 2 damage to each opponent and you gain 2 life