By doing so, though the auto ability for Rydia [15-083L] entering your field wont activate for herself, it will activate for the other Category IV Characters that enter your field
One of the most famous is energy, a mechanic that debuted with Kaladesh and swiftly overwhelmed Standard, which led to a slew of bans at the time
This week, set five, Shimmering Skies, is set to release
Each has a real trade-off profile there is no universally best answer, only a best fit for your volume, language ability, and risk tolerance
If Agent Frank Horrigan enters the battlefield attacking, it doesn't have indestructible since it was never declared as an attacker