When they enter the battlefield, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle. Its nice to draw cards, and drawing five powerful Dragon cards is even nicer
(I always imagine it like being what youd get if chess had certain edge cases where rooks could fly, bishops could teleport, or for a second, pawns were driving tanks.) Since the game is built around several thousand collectible cards, and almost every card has some additional unique ability to it one way or the other, it creates an endlessly manipulable, constantly surprising experience
Getting Sneezy into play early will help you make favorable trades early on an establish a board
Thats effectively the same as drawing another card and casting it right away
Rather than creating a single powerhouse attacker or arranging an out-of-nowhere combo, Gisa and Geralf instead offer the quintessential zombie plan: slowly but surely amass an unkillable horde that overwhelm opponents by sheer size