Hydra Hatchling

As long as there are no +1/+1 counters on Hydra Hatchling, it doesn't die due to having 0 or less
toughness.(It will still die to any amount of
damage.)
{x}{g}: Put X +1/+1 counters on Hydra Hatchling.
When Hydra Hatchling dies, draw a card, then
draw a card for each +1/+1 counter on Hydra Hatchling.