Raffine, Scheming Seer gives us amazing and repeatable value, providing target attacking creature with Connive X, where X is the number of attacking creatures
Always have a backup plan. Doral, Bala Ged guide Bala Ged Sanctuary Land This land enters tapped
I personally am willing to take the risk and leave them in, as having a 20/20 Indestructible Flying creature is a potential alternate win condition
Was there one that I forgot to mention
Atarka, World Render [Dragon]: One of the better dragons from Dragons of Tarkir
Card Set(s) -ROMANCE DAWN- [OP01] CARD VIEW OP01-043 | C | CHARACTER Shinobu Attribute Special Block icon 1 Card Set(s) -ROMANCE DAWN- [OP01] CARD VIEW OP01-044 | C | CHARACTER Shachi Attribute Strike Block icon 1 Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On Play] If you don't have [Penguin], play up to 1 [Penguin] from your hand