[23] [3] there is no maximum deck size but a player must be able to shuffle their deck without assistance
If you Animate Dead it youll create an infinite loop of your permanents (including lands) being tapped, generating mana, leaving the game, and then returning to play
While it will be attactive to run him in the command zone, he will also be right at home in countless aristocrats and tokens builds, especially those with Commanders and gameplans that involve sacrificing many creatures per turn
Banes Contingency Another three mana in response
You can spend five mana to exile a dork from our graveyard, make a 1/2 reaching Spider token, and then each foe loses life equal to our Spider count as a bit of a win-con there I adore
This is useful for breeding or for Pokmon with gender-specific evolutions (like Combee)