Old Nail

Upgrade {3} (Put an upgrade counter on this card.)

Euipped creature gets +1/+1 for each upgrade counter on this card and has haste and ward {1}

Upgrade 1 — Flying and first strike.
Upgrade 2 — Lifelink and whenever equipped creature deals combat damage to a player, populate.
Upgrade 3 — Indestructible and whenever equipped creature attacks create 3 Geo tokens.

Equip {x} (Where X is equal to the number of upgrade counters on this card)