Flint Lock (SBTK-EN021) [Speed Duel: Trials of the Kingdom]

Once per turn: You can target 1 "Flint" in the Spell & Trap Zone; equip it to this card. During your Main Phase: You can target 1 "Flint" equipped to this card, and 1 face-up monster on the field, except this card; equip that "Flint" to that targeted monster. This card can only be equipped with 1 "Flint". While equipped with "Flint", this card is unaffected by the effect of "Flint", and cannot be destroyed by battle.