Quote from Chris..McDougal »So, cards like lightning serpent are better to exchange control with since they pop at the end of the turn they're summoned?
Quote from Chris..McDougal »Sorry, more of a clarification question to ensure that I understood the answer. Should have been written: So, cards like lightning serpent do sacrifice at the end of the player's turn who cast them?
500.6. When a phase or step begins, any abilities that trigger “at the beginning of” that phase or step
trigger. They are put on the stack the next time a player would receive priority. (See rule 117,
“Timing and Priority.”)