cockatrice mtg card database Prices | Magic 4th Edition Magic: The Gathering Cockatrice (075)

If it's a creature card, put that card into your hand

Alena appears in the flavor text of eight different cards: Briarpack Alpha, Emrakuls Evangel, Flowring Lumberknot, Grounded, Hunger of the Howlpack, Loam Dryad, Shrill Howler, and Thornhide Wolves

If the ability reads as just applying to one player, such as the owner, it applies to everyone - so you can give all creatures +1/+1 with Gaea's Anthem

it also lets you use auras and provides your creatures with extra keywords

(You gain card advantage each time a spell you control resolves and you end up having more cards relative to your opponents than before that spell resolved