Many players would reach for burn, but that mechanic has a close cousin in life loss cards that dont care about anything so petty as damage or creatures
At just two mana, this is easily the standout card of the whole set so far
Use this fact to your advantage when training Normal types
Casting Cost: Card Type: Enchantment - Aura Card Text: Enchant artifact of creature
Over $50 (Premium) Gaea's Cradle ($400+), Serra's Sanctum ($200+), Mishra's Workshop ($1,500+), The Tabernacle at Pendrell Vale ($2,000+), Imperial Seal ($50$80), Force of Will ($60$100), Lion's Eye Diamond ($150+), Mox Diamond ($300+), Chrome Mox ($50+), Survival of the Fittest ($100+), Intuition ($80+)
So while some decks might struggle to produce a big payoff from an X spell, green strategies are often well suited to produce lots of mana in a short amount of time, allowing cards like Invasion of Ikoria to suddenly apply pressure with whatever creature is going to be the best solution to a given situation