Pokemon has a plethora of introductory products that were created with new players, young and old, in mind and my recommendation is the Pokemon Battle Academy
Two-damage pinging is nice, but frankly this design should have been saved for a snapping turtle or something
The last at #6 below is from a block often nicknamed as "The Artifact Block" by players, although it actually had an enchantment theme
The Brothers War picks up right where DMU left off, with Teferi somehow opening up a portal to the past in order to try and figure out how to work Karns Sylex, rebuilt by Saheeli
Casting it and immediately exiling a threat is strong, and you can follow that up with more mana or cards and life
though this has been achieved with numerous card games in the past, and is a feature present in several Living Card Games (or LCGs