Dark Tutelage

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

Telepathy

Your opponents play with their hands revealed.

Bravado

Enchant creature
Enchanted creature gets +1/+1 for each other creature you control.

Limited Resources

When Limited Resources enters, each player chooses five lands they control and sacrifices the rest.
Players can't play lands as long as ten or more lands are on the battlefield.