x2] [When Attacking] You may trash 1 card from your hand: K type and your opponent has 3 or more Life cards, K type Leader gains [Banish] during this turn
Up The Beanstalk provided so much value it had to be added to the MTG banlist, and most recently the Discover mechanic proved equally problematic, basically giving Standard and Pioneer their own versions of MTG Cascade
These decks have different power levels because some of them act as replacements for what used to be the annual Commander product
The best one is Squirreled Away, which gave Magic players what they wanted, and what they wanted was more Squirrels
Otherwise, each Crystal will have either a static or replacement effect, and an activated ability that costs six mana to use
Just having a 3/3 in play hits the 10-toughness threshold, and in a dedicated high-toughness deck, you can get many more benefits