No Poor Among Them

Players have no maximum hand size.
Players may use mana of any type to cast spells.

Whenever a player draws a card on their turn, each other player may draw a card.
Whenever a player casts a spell on their turn, each other player may cast a spell of the same type from their hand as though it had flash this turn.
Whenever a player plays a land on their turn, each other player may play a land.
Whenever a player gains life on their turn, each other player may gain that much life.