If you control "Uria, Lord of Searing Flames", "Hamon, Lord of Striking Thunder", or "Raviel, Lord of Phantasms", your opponent cannot activate cards or effects in response to this card's activation
165+ vendor tables
The most clear example is a Judgment enchantment, Soulcatchers' Aerie, which mass-pumps your Birds whenever somebody of your flock's die, and which soared by over 500% almost overnight, rocketing from near-bulk to over $6: Source: MTGStocks This 2-mana enchantment in a deck that wants you to full swing every turn is just gas for bird typal decks
Although Pikachu cards will always carry a premium, it's hard to predict how the Tera crowns will be viewed in the future
Information beyond that remains unknown, but the introduction of Arceus could shake up the game's ever-evolving online meta