Jaxis, the Troublemaker is a rare Legendary Creature — Human Warrior card from Secret Lair Drop (SLD), collector number 1703. Current market price: $4.74, TCGplayer market prices via Scryfall.
{R}, {T}, Discard a card: Create a token that's a copy of another target creature you control. It gains haste and "When this token dies, draw a card." Sacrifice it at the beginning of the next end step. Activate only as a sorcery. Blitz {1}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)