If you can trigger an EtB ability every single turn, the best option in the deck (even better than Karumonix in the right situation!) is the rather unsuspecting Chittering Rats
Whispersilk Cloak might be the best option for the likes of Nezahal, Primal Tide or in a deck without much other Equipment
These cards give you access to some of the most complex and rewarding decision-making trees available, and they represent some of the finest examples of what makes the best blue cards MTG has ever offered so compelling
add 1 "Nouvelles" or "Recipe" card from your Deck to your hand, except a Continuous Spell, and if you do, increase the target's Level by 3
Both are fine in EDH, so you can absolutely play Verduran Enchantress in enchantment decks
Adventure's Discover might go down as one of the better Full Art Trainers of the year due to the art bu Taira Akitsu , who has quite a knack for drawing this card style