shellder pokemon card TCG - XY1 - 016/060 (C) If heads Pokemon - Shellder δ (63)

When your creature wins its second battle, it flips over, and each turn, when you are attacked for the first time, you can have this battle the attacking creature

The set puts a huge emphasis on typal strategies, but its mostly limited to creatures that live in Lorwyn and Shadowmoor like elves, goblins, and kithkin

All that would be plenty good, but we even have the flexibility of casting this as a cheap bounce spell if we cant afford the full sweeper

Its worth remembering that Surveil 2 is always a more-than-linear power jump from Surveil 1, since youre able to leave a potentially critical spell on top while continuing to slide cards out from under it into your graveyard