Basilisk Collar (1920) [Secret Lair Drop Series] March of the Machine then you may return a

then you may return a creature card with mana value 2 or less from your graveyard to the battlefield

it deals double that damage to that permanent or player instead

T: Draw a card and reveal it

put it into its owner's graveyard

Set: Shadowmoor Type: Land Rarity: Rare {T}: Add one mana of any type that a land you control could produce

Basilisk Collar (1920) [Secret Lair Drop Series] March of the Machine then you may return aSet: Secret Lair Drop Series Type: Artifact Equipment Rarity: Rare Cost: {1} Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.) That collar isn't an accessory it's a warning.