Barrin's Codex
{4}
Artifact
At the beginning of your upkeep, you may put a page counter on ~this~.
{4}, {T}, Sacrifice ~this~: Draw X cards, where X is the number of page counters on ~this~.
Private Research
{U}
Enchantment -- Aura
Enchant creature
At the beginning of your upkeep, you may put a page counter on ~this~.
When enchanted creature dies, draw a card for each page counter on ~this~.