Snow Squall
The Gap of Rohan #92 (x2/x1)
Treachery

When Revealed: Add 2 copies of Snowbank from the encounter discard pile to the staging area. If fewer than 2 copies of Snowbank were added to the staging area as a result of this effect, Snow Squall gains surge.

Shadow: Search the encounter discard pile for 1 copy of Snowbank and add it to the staging area.