If another player is running birds, too, you could soon find yourself in peril
Big hits like the alt-art Umbreon VMAX sent collectors scrambling, and the competitive scene saw endless deck shakeups every few months
Pokemon TCG Online has been around for a decade at this point, and the Pokemon TCG community has been asking for upgrades for years
First, mono-red aggro decks were a major part of the pre-Theros metagame, and so cards like Frostburn Weird (as an early blocker that can eat many of the mono-R creatures) and Master of Waves (as a protection card that's almost impossible to get through even without the additional bodies that he brings) are solid metagame choices against that deck even without the devotion aspects
Ramp is accelerationmana production beyond your one land drop per turn
Technically, the Gilt-Leaf Winnower can't destroy itself because it's an Elf and the card only hits non-Elf creatures, but it's cool that the card defines imperfection in a way that it (almost) fits