Murders at Karlov Manor

Case of the Trampled Garden | Enchantment | Case | When this Case enters the battlefield, distribute two +1/+1 counters among one or two target creatures you control. To solve — Creatures you control have total power 8 or greater. (If unsolved, solve at the beginning of your end step.) Solved — Whenever you attack, put a +1/+1 counter on target attacking creature. It gains trample until end of turn. | Maxime Minard

Pompous Gadabout | Creature | Human Citizen | Pompous Gadabout has hexproof as long as it's your turn. Pompous Gadabout can't be blocked by creatures that don't have a name. | Scott Murphy

Sample Collector | Creature | Troll Detective | Whenever Sample Collector attacks, you may collect evidence 3. When you do, put a +1/+1 counter on target creature you control. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.) | Borja Pindado