(2025-11-17) If a card in your hand is already revealed (perhaps because it was revealed to pay a cost of a spell that's still on the stack or due to the effect of a card like Telepathy), you may reveal it again to pay the cost of another spell or ability that requires you to reveal a card from your hand
You can use that ability, and still attach one energy card to a Pokmon
Outlaws of Thunder Junction gave us the Greave's at home version in Lavaspur Boots, thankfully the power boost helps offset how much worse ward is as a targeting-deterrent, but it's still several notches below the other two
Equipped creature gets +1/+1 for each soul counter on this Equipment and is an Assassin in addition to its other types
Teferis Moat is one such example where the reference is quite clear, although it puts a different spin on things by caring about the color of creatures that want to attack you
Taking the core rules of Magic, and slightly tweaking the rules really opens up the game to a whole world of deck types, crazy combos and otherwise useless cards seeing a tonne of play