Creature lands like [c]Lair of the Hydra[/c] can tap for mana in the early game, then they can become creatures to attack and block during later turns
Thassa, Deep-Dwelling A source of blink thats both difficult to interact with and that can start to turn the tide in grindy matchups with the expensive tap down ability, Thassa, Deep-Dwelling is a possible commander, but it really occupies that niche of a must-play card in any blink deck you build in Commander
When you consider that there are 120 other foil cards you can pull from the same slot, it makes the price of this unique Command Tower a bit more understandable
When the last counter is removed, you exile the card and cast it transformed on its other side, reaping the eventual benefits
There are times when the Gravedigger's four-mana cost prevents you from casting your dork immediately