Serpent Generator [Legends] Merfolk Set: Mirrodin Type: Creature —

Set: Mirrodin Type: Creature — Elemental Rare Cost: {3}{U}{U} {U}: Quicksilver Elemental gains all activated abilities of target creature until end of turn

where X is the number of Swamps you control

protection from black Echo {3}{W}{W} (At the beginning of your upkeep

instead flip two coins and ignore one

Serpent Generator [Legends] Merfolk Set: Mirrodin Type: Creature —Set: Legends Type: Artifact Rare Cost: {6} {4}, {T}: Create a 1 1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison counter." (A player with ten or more poison counters loses the game.)