In general, Im far more open to a reactive cards than I would have been in the past, and Im paying particularly close attention to cards that blur the lines of offense, defense, and utility
For one, theres Lorcana use of ink as a resource used to play and activate cards - as well as serving as a fun part of the games multiversal lore that allows players Illumineers to conjure a Disneyworlds worth of characters out of ink
Discard a land card: Borborygmos Enraged deals 3 damage to any target
Historic is a format with an abundance of ramp cards such as Growth Spiral, Explore, Uro, and much more, so getting six mana into play quickly is a strong possibility
Chocobos are - usually - big yellow birds that act as rideable mounts for players to traverse long distances safely