Ripdex: best overall Ripdex takes the top spot because it removes the slowest part of every other scanner: the one-card-at-a-time loop
Competitive relevance : OP11-040 Luffy dominates the meta at 52.9% win rate, making OP-11 cards valuable for tournament players and collectors alike
Generate tons of mana with Harabaz Druid, draw cards off Yuriko, the Tiger's Shadow, blow things up with Reaper King, and steal things instead with Gilt-Leaf Archdruid
This would be powerful enough on its own, but his second ability, which effectively gives your legendary spells a form of cascade, lets you build your board up quickly, creating boosts that will overwhelm even the most well-prepared opponents.
Each one has different sorts of treats that the player can feed them to befriend them and then lead them back to a farm where they can stay