Ian Malcolm, Chaotician's first ability can trigger only once each turn for each player
Leaf is basically a better version of that card: It reduces the retreat cost of your active Pokmon by two for the duration of your turn
It looks like it's for a city deck, but land ramp doesn't strictly require a city, so it can be used to trigger landfall at instant speed, and you can just ramp mana with basic lands normally
Ultimate Magic: Holy has further utility by preventing damage, which adds up to a total blowout
From older cards like Charizard ex to cards that appear on this list like Decidueye ex or Solgaleo ex, there are countless decks that can use Rare Candy's ability to its fullest
Pokmon can allow for real-time instant messaging, and has full automatic language filtering blacklists as well as human monitors