There's a reason that Karn Liberated only sees play when he can be cast on turn three
It closed out the Prism Star card type with a few strong final entries, including Shaymin and Tapu Koko
As it creates more tokens of itself, those tokens can create more tokens of themselves, effectively doubling the number of Scute Swarms you control each time you get a landfall trigger
*collector packs will generally be the new set, but in the event of a product shortage for a release Just Games reserves the right to substitute any in-stock Collector Pack
Once Electro leaves the battlefield, you have until the end of the current step or phase to spend whatever red mana you have before you lose that mana as normal
Just by having Liliana, Dreadhorde General on the board, a player gets the ability to draw a card whenever a creature they control dies