Witchcrafter Creation [INCH-EN020] Secret Rare Advent Calendar 2018 Each time a card(s) is

Each time a card(s) is added to your opponent's hand

you can even find:

inflict piercing battle damage

Catapult Turtle

If this Fusion Summoned card you control is sent to your GY by an opponent's card: You can Special Summon 1 "Cyber Dragon" from your hand

Witchcrafter Creation [INCH-EN020] Secret Rare Advent Calendar 2018 Each time a card(s) isSet: The Infinity Chasers Card type: Normal Spell Rarity: Secret Rare Add 1 "Witchcrafter" monster from your Deck to your hand. During your End Phase, if you control a "Witchcrafter" monster, while this card is in your GY: You can add this card to your hand. You can only use 1 "Witchcrafter Creation" effect per turn, and only once that turn.