The Magic staple card "Sol Ring" is getting a blowup treatment in the "Lord of the Rings" set with quite a few different variations
When a creature is put into an opponent's graveyard from the battlefield, if this card is in your graveyard, exile this card
Like most Magic: The Gathering cards, the value of Laughing Mad depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Final Fantasy)
The true beauty of this card is that, even though it does count as a Giant payoff, it doesnt require a lot of Giants, because if at any point later in the game you draw one, you can cast the Glimpse the Cosmos from the graveyard
If an activated ability of a card in exile with a brain counter on it references the card it's printed on by name, treat Rex's version of that ability as though it referenced Rex, Cyber-Hound instead