Mystical Elf

Face-Down 1 (This card can be faced-down placed
on the field as a typeless card at a cost of {1}. At any
time it enters the field at its face-up cost.)
Defender
Face-Up {w}{g}: Until end of turn, this creature
assigns combat damage equal to its toughness.
A delicate elf that lacks offense, but has a terrific
defense backed by mystical power.