4 The Last Ronin's Technique Instant This instant card makes the list based purely on its sneak cost, which favors white token and aggro decks much more than its hard cast cost
Isshin, Two Heavens as One's ability affects only triggered abilities with conditions that are directly related to attacking, such as "whenever [this creature] attacks" or "whenever you attack with one or more creatures." It does not affect triggered abilities with other trigger conditions, such as "whenever [this creature] becomes tapped." Isshin's effect doesn't copy the triggered ability
Assuming youre interested in giving the original Final Fantasy VII game a go, this is a strong bundle option
Considering that formats like Legacy and Vintage are very focused on combo, Thalias presence is mandatory to slow them down or prevent opponents from going infinite
Capricious Sliver While they can't be beaten for speed and density of MTG keywords, if there's one thing Slivers aren't too great at, it's card draw
Declare Jumbo Cactuar as an attacker and then activate Dinas ability to gain 10,000 life and place 10,000 +1/+1 counters on a creature