Fellwar Stone [Dungeons & Dragons: Adventures in the Forgotten Realms Commander] Frog Myr Salamander except it's a Tyranid in

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

They put that card onto the battlefield and the rest on the bottom of their library in a random order

Set: March of the Machine Commander Type: Enchantment Rarity: Rare Cost: {4}{R} Nontoken creatures you control have riot

choose target opponent

and he survived a full day after that

Fellwar Stone [Dungeons & Dragons: Adventures in the Forgotten Realms Commander] Frog Myr Salamander except it's a Tyranid inSet: 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