Fellwar Stone [Dungeons & Dragons: Adventures in the Forgotten Realms Commander] Frog Myr Salamander −2: You may reveal an

−2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile

choose target opponent

except it's a Tyranid in addition to its other types

If you lose the flip

Set: Phyrexia: All Will Be One Commander Type: Enchantment Rarity: Uncommon Cost: {2}{W} Creatures can't attack you unless their controller pays 2 for each creature they control that's attacking you

Fellwar Stone [Dungeons & Dragons: Adventures in the Forgotten Realms Commander] Frog Myr Salamander −2: You may reveal anSet: Dungeons & Dragons: Adventures in the Forgotten Realms Commander Type: Artifact Rarity: Uncommon Cost: {2} {T}: Add one mana of any color that a land an opponent controls could produce. "What do you have that I cannot obtain?" Mairsil, the Pretender