unlimited hand size cards mtg Amazon.com: Magic The Gathering - Enter The Infinite (34) You have no maximum hand size until your next turn. Random Mechanic Monday: Maximum Hand

I encourage you to call up your LGS before placing an order to see if they are selling these products as well

For Kaldheim it was Vikings, for Adventures in the Forgotten Realms it was the Dungeons, and for Midnight Hunt it is werewolves

Arena of the Ancients does shut down legendary creatures, but the effect is symmetrical, so unless you specifically craft a deck that avoids them, it's going to impact you too

So when your summon's time is up and it goes to the graveyard, it's going to trigger Yuna, and she'll pop three or four +1/+1 counters onto another creature, powering it up

When activated, the card is exiled and creates a token copy of itself