Deathrite Shaman | Illustration by Steve Argyle Abilities are any rules text on cards, even on instants and sorceries
Labyrinth Wall Shadow : Not only does it help search for one of The Big 3, but it also stops monsters level 4 and below from attacking on their turn they're summoned and destroys a monster with 1600 attack or less during the battle phase
Oh happy day
This can depend on a number of factors, such as the power of its attacks, the type of Pokmon, the rarity of the card, and the special effects that come with it
The search effect isn't once per turn either, allowing for multiple searches if multiple are destroyed
You probably won't count on Yawgmoth too much if your only concern is to draw cards, but when looking at the whole package, Yawgmoth, Thran Physician is hard to beat