If at least three of the mana spent to cast it were red, it enters with a +1/+1 counter
Vibrant corals fill the ocean floor as Wailord completely dwarfs the sailing ship above, truly showing us his size as he stands quite comically from floor to sea level
The second is more short term, based on the fact that UW Flash and GB Delirium currently make up about 50% of the Standard meta, which is a historically high metagame share, and cards like Archangel Avacyn, Spell Queller, and Emrakul, the Promised End have the ability to invalidate entire archetypes all by themselves, especially in our current answer-lite Standard
When this condition is met, youll gain a more powerful ability
This Pokmon is the final evolution of the Gastly line, evolving from Haunter when traded, which was a pioneering mechanic introduced in the original Pokmon Red and Blue games for the Game Boy
Note that some of these have Un-set-like qualities, so just make sure they make sense during gameplay before trying to Rule 0 one