It will shake up the competitive meta significantly, changing which cards can be used in an official tournament space and altering which decks get entered into events
Released for Pokmon's 25th anniversary, the Celebrations Ultra-Premium Collection famously reissued popular Base Set cards of Charizard and Pikachu on gold-hued metal
Shadowspear helps ensure you have consistent access to lifegain and trample for your ring bearer, with the side benefit of letting you remove hexproof and indestructible from opposing threats, and can be searched up with Urzas Saga
Pteramander fared a bit better as a key part of mono-blue tempo decks, including the one piloted by Autumn Burchett to great success
Incapsula incident ID: 348000740021736041-20705380226830988
Trading one card for two or more (Sign in BloodSign in Blood) is a classic example of velocity, but like we said with ramp, it's dependent on your deck and commander