I can eat 3.
Untap, Upkeep, Draw, Attack for 10. Done.
Ransac: 11
Hand: 3
Library: 42
In Play:
(U) Scrubland (T: W or B)
(UUU) Plains
(UU) Swamp
Serra's Blessing (All creatures you control have vigilance)
(U) Selenia, Dark Angel (3/3, flying, Pay 2 life: Return Selenia, Dark Angel to its...