Whenever Appa or another Ally we control enters, creatures we control get +1/+1 and gain Flying and Vigilance until end of turn
Notable Cards: Reprints and $$ Cosmic Intervention Ethereal Valkyrie Hero of Bretagard Ranar the Ever-Watchful Sage of the Beyond Spectral Deluge Stoic Farmer Tales of the Ancestors While not the most amazing thing ever, Spectral Deluge is a 3-mana Cyclonic Rift for creatures, so thats valuable
Do you still believe they arent preparing for war? Teysa, to Isperia Watermark: Selesnya Illustrated by Eric Velhagen Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
Ranger of Eos seems pretty important in this list, more so than in the modern version
The recent results also likely highlight the fact that good graveyard hate has become more available over the intervening years
You cant really print this in a Standard set, but you can definitely put it in a Commander pre-con