Fatties to reanimate : Black Dragon, Hill Giant Herdgorger, Owlbear, bomb rares
This is such a pivotal effect for graveyard decks precisely because most reanimation spells require a graveyard to work something which can be interrupted by vigilant opponents who are tired off your shenanigans
If you arent sure what to get, you can get a GVG gift card instead to let your giftee pick for themselves
As far as this iteration goes
This is perfect if a strong character is heavily damaged, has a benefit to being banished, or you are simply low on cards
Since myr use their activated abilities on the regular, Dazzling Theater, Anzrag, the Quake-Mole, and Veteran Beastrider give you lots of opportunity to get additional activations out of them