Emrakul, the Promised End

This spell costs {1} less to cast for each card type among cards in your graveyard.
When you cast this spell, you gain control of target opponent during that player's next turn. After that turn, that player takes an extra turn.
Flying, trample, protection from instants

Sol Ring

Battleground Geist

Flying
Other Spirit creatures you control get +1/+0.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Island

Counterbalance

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.