Gold Experience, Lifegiver

Stand - Once per match, if you control a Legendary Creature or Planeswalker, you may cast this card from your library or graveyard.
{t} - Create 2 1/1 green Snake tokens with Deathtouch.

While you control Gold Experience, Lifegiver, token creatures you control have "When this creature receives combat damage, attacking creature takes damage equal to its power."