Usually, cubes like this have 1032 cards, allowing up to 16 players (four pods of four) to draft and play
The Cat deck's Planeswalker is Ajani, and the Vampire deck's Planeswalker is Liliana
The Ancient One, for example, can only attack or block if you have eight or more permanent cards in your graveyard
The other home I see for this card is in some kind of top-end heavy white midrange deck with no card draw that just wants to use all its mana on a single, huge spell every turn
For example, ultra-rare cards can have certain suffixes attached to the Pokmons name that denote their special techniques, like ex for extra. Secret rare cards are the rarest cards in the Pokmon universe, best identified by their set number
These often include ways to cheat around casting and equip costs and ways to search them out directly from your deck