Even if your opponent casts it from the graveyard with an alternative cost, they still cast it, and it goes on the stack where it can be targeted by counterspells
The outlines are thick enough for little hands gripping chunky crayons
You can also run Vial Smasher the Fierce or Judith, the Scourge Diva as a reliable way to deal non-combat damage
Creature theft effects and bounce effects make it so that running a card as suboptimal as Fowl Play shouldnt be necessary even if it has an occasional nice interaction, like turning an Elesh Norn or Griselbrand into a Chicken where stealing/bouncing it may have caused you to lose
They have little use for too many instant-speed effects and do not rely on the ability to closely control what cards they draw
No matter what happens to that card or permanent after that, it was still beheld, and any additional effects that depend on that card or permanent being beheld will still happen