If you have a Pendulum monster in both Pendulum Zones, you can perform a Pendulum Summon (more on that later)
The Alphas clearly dominate any list that includes them

Trishula, Dragon of the Ice Barrier Pros Generic Level 9 Synchro Banishes 3 cards Cards banished are from different places You choose cards banished on field and in grave Helps clear the opponent's hand No hard once per turn means you can use multiples (harder to do when Limited) Cons Needs at least 2 non-Tuners You don't get to see the opponent's hand to choose the card Only gets effect on Synchro Summon, making it a vanilla rest of the time it's on field Trishula, the Dragon of Icy Imprisonment Pros Just needs any 3 monsters with different names to summon Use of Polymerization to summon is optional Can clear out monsters on your field to be a Level 9 for Xyz plays Banishes cards from the opponent's Extra Deck, letting you look to see what you want to banish Lets you choose a card in your Deck to banish Banishes top card of opponent's Deck Cons Need 3 Dragons with different names to use banishing effect Banishing effect isn't from as useful places as original version Banish effect is hard once per turn, summoning more doesn't help Have to banish from all 3 places, otherwise effect cannot be used Retrain or Original

You do not need hidden Dark Ops challenges for these cards, which makes the grind clearer
I brought my daughter, and she had so much fun browsing through their card selection
This 1984 Topps RC is easy to find and a must for any collection