Furthermore, if they need a flying shark token right now, they can cycle Shark Typhoon two mana and X to create one X/X flying shark token
This has multiple uses, such as diminishing your opponents resources, retrieving cards that you previously inked back to your hand, and being able to control the board
Double sleeving is a great way to maximize protection for your more valuable cards, preparing them for the trials of combat
Trystan's Command Trystan's Command gets you either another of your best elf, grinds your opponent on value with a double Regrowth, removes one of their best cards, or trades the trample on Overrun for a team-wide untap to grant tons of value or straight up wins
This means you should expect new UB cards to enter the Standard rotation, and be playable in Modern, Commander, etc
Hitting any card, taking zero damage, and adding surveil 1 for a minor cost increase is well worth it