one piece card game tin Piece: Mini Pack Vol.1 (Japanese) [OP-09] Cards with New Designs One Piece Tin Pack Set

It can tap for a generic mana, allowing you to use it as a land until you need to destroy a land an opponent plays

The more attacking Birds, the more bonkers it gets, since you get to put any number of land cards that you look at onto the battlefield

If a nontoken permanent that's a copy of Old-Growth Troll dies while it is a creature, it will return to the battlefield as an Aura with both its own normal abilities and the two new abilities granted by old-Growth Troll

This gives a bit more structure

There isnt a huge amount of overlap between Shamans and Snakes creature-wise, but you can use the excess mana from your Shamans to power out the more impressive Snakes, such as Thieving Amalgam and Nemesis of Mortals