Mosswort Bridge [The Lost Caverns of Ixalan Commander] Frog Wizard a Rakdos signet is not

a Rakdos signet is not considered finished until it has been used as a murder weapon

When a player loses a game

Set: The List Type: Legendary Creature — Cat Bard Druid Rarity: Mythic Cost: {1}{R}{G}{W} When Kitt Kanto enters the battlefield

we step closer to the Age of Everflowing Blood

Mosswort Bridge [The Lost Caverns of Ixalan Commander] Frog Wizard a Rakdos signet is notSet: The Lost Caverns of Ixalan Commander Type: Land Rarity: Rare Hideaway (This land enters the battlefield tapped. When it does, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library.) T: Add G. G, T: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.