Card Set(s) -Green Uta- [ST-16] CARD VIEW P-057 | P | EVENT Fleeting Lullaby Block icon 2 Effect [Main] If your Leader is [Uta], up to 2 of your opponent's rested Characters with a cost of 4 or less will not become active in your opponent's next Refresh Phase
For example, if you put Spellbook (an artifact that says you have no maximum hand size) onto the battlefield and then put Doctor Octopus, Master Planner onto the battlefield, your maximum hand size will be eight
If you have tons of mana, you can even use the ability like a pseudo-Overrun
This works in reverse too
Whether you are triggering Repartee by targeting creatures or fulfilling the Prepared status on your units, you need cards in hand to keep the momentum going
It'll be interesting to me to see what happens with this type and if it gets retroactively added to folks like Phyrexian Negator or Phyrexian Plaguelord