[Written] Metronomics

[Toffee.]

Metronomic Performer
DARK / Level4
Machine / Effect
If this card is Summoned: This card gains 1000 ATK. Once per turn, except during the turn this card was Summoned, you can activate this effect: This card gains 1000 ATK. During the End Phase of a turn in which you activated this effect, and this card didn't inflict battle damage to your Opponent, the ATK of this card becomes 0 and you cannot activate the effect of this card for as long as this card remains face-up on the field. Other monsters you control cannot attack.
ATK 1000 / DEF 0

Metronomic Conductor
DARK / Level 4
Machine / Effect
If you control a "Metronomic" monster, you can Special Summon this card(from your hand). You can only Special Summon "Metronomic Conductor" this way once per turn. Once per turn, you can Target 1 DARK monster you control: It gains 500 ATK. During the End Phase of a turn in which you didn't activate this effect, destroy this card. This card cannot attack. While you control a "Metronomic Performer", this card cannot be selected as an attack target.
ATK 0 / DEF 0

Metronomic Rhythm
Spell / Continuous
If this card is activated from your hand: Add 1 "Metronomic" monster from your Deck to your hand. Once per turn, except during the turn activated this card, you can add 1 "Metronomic" card from your Deck to your hand. During the End Phase of a turn in which you didn't activate this effect, send all cards in your hand to the Graveyard. While this card is face-up on the field, you cannot conduct your Draw Phase. You can only control 1 "Metronomic Rhythm".

Metronomic Harmony
Trap / Continuous
Once per turn, you can Target 1 "Metronomic" monster you control: Until the end of the Opponent's turn, the Target is unaffected by your Opponent's card effect, and inflicts piercing damage. If this card is removed from the field, return the Target to your hand. During the End Phase of a turn in which you didn't activate this effect, take 3000 Damage. While this card is face-up on the field, you cannot conduct your Main Phase 2.