SLD: Chain Lightning Holiday Here to Slay is a

Here to Slay is a competitive role-playing fantasy strategy card game that's all about assembling a party of Heroes and slaying monsters (and sometimes sabotaging your friends too) from the creators of Unstable Unicorns

pay {1}{W}{W}

including Two-Headed Dragon and Leaders and Lackeys

Its controller gains life equal to its power

so he called on the most eminent architects in his kingdom to test their ingenuity and realize his vision of creating what would become one of the seven wonders of the ancient world

SLD: Chain Lightning Holiday Here to Slay is aChain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.