A pair of custom made Pendulum Cards I made for the Ice Barrier Archetype. (I’m not super detailed on the mechanics of the Ice Barriers but I tried to make the cards based on my understanding of it)
Reaper of the Ice Barrier
Level 5/Scale 2
2300 ATK/1700 DEF
Pendulum Eff:You cannot Pendulum Summon monsters, except "Ice Barrier" Monsters. If an "Ice Barrier" monster is summoned to your side of the field, place 1 Ice Counter on this card for each monster Summoned. All face-up "Ice-Barrier" monsters gain 200 ATK and DEF for each Ice Counter on this card.
Monster:When this card is Normal Summoned or Special Summoned you can target a number of set cards your opponent controls, up to the number of face-up "Ice Barrier" monsters on your field; Destroy them. Your opponent cannot activate the targeted card(s) in response to this card's activation.
Recluse of the Ice Barrier
Level 2/ Scale 5
ATK: 200/DEF: 500
Pendulum Eff:If there is an "Ice Barrier" monster in the other Pendulum Scale, this card's Scale becomes 10. If there is a non "Ice Barrier" monster in the other Pendulum Scale this card's Scale becomes the same as the other monsters. You can remove 3 Ice Counters from the field; Add 1 "Ice Barrier" Card or 1 Card with "Ice Barrier" written in the card text of that card from your deck to your hand.
Monster Eff:If this card is Normal Summoned and it is the only monster you control, You can add 1 "Ice Barrier" Spell/Trap card or 1 "Spell/Trap card with "Ice Barrier" in its Card Text from your Deck to your Hand. If this is the only Monster on your field, Once per Chain you can (Quick Effect): Immediately after this effect resolves, Synchro Summon 1 "Ice Barrier" Synchro Monster using this card you control and "Ice Barrier" monsters in your hand.