best cards mtg brothers war / The The best cards in MTG

All of the Merlin cards give an ability when returned to hand, like the Merlin Crab which gives another character +3 strength when challenging, when they are played, and when they leave play (which can be in the same turn for a super boost), and Madam Min returns cards to hand when played

It does give that player a bunch of 1/1 Elf tokens, but that likely wont affect you too much

Card advantage is a troublesome, much debated topic in Magic circles and a challenging one to tackle in terms of a multiplayer format like EDH

At the beginning of your end step, if you control four or more artifacts, return target creature card from your graveyard to your hand