At the beginning of your end step, if you didn't cast any spells this turn, Gilt-Leaf Debris deals 1 damage to you.

: Add  or to your mana pool.

Put Gilt-Leaf Debris on top of your library: Add  to your mana pool.

: Gilt-Leaf Debris becomes a 2/1 green and blue Bear creature until end of turn. It's still a land.