You can use it immediately as a removal spell, and many times, the activated ability will be relevant, especially against Commander staples like Swiftfoot Boots
If damage from a source with infect that would be dealt to a creature is prevented, that creature doesnt get -1/-1 counters
The prime modus operandi here to prevent taking massive swaths of damage during more contentious phases of the game, something well prioritize as we start getting outclassed
Perhaps it's an additive thing and Kastral used up many of the copies in circulation, allowing Keeper to spike now
Community Swaps: Forums and social media groups can be great resources for trading
Plot only as a sorcery.) Creature - Warrior Rhino Creature (CTRL to add secondary) Draw Draw (CTRL to add secondary) Enchantment Case of the Locked Hothouse You may play an additional land on each of your turns