In a two-player game, Secret Rendezvous is worse than playing no card at all, but in a four-player game, its a great way to start an alliance to join up against a common enemy
If you submit cards that are out of the color pie, people will notice and be less likely to vote for you unless the break is incredibly flavorful
for players who prefer a more defensive and sustained playstyle Blastoise ex: A heavy-hitting alternative attacker with consistent damage output, with its three-stage evolution being the only downside These were the best card options to have for the Suicune ex deck in Pokemon TCG Pocket.
Crew 2 Crew 2 Artifact - Vehicle Artifact (CTRL to add secondary) Creature Ashad, the Lone Cyberman The first nonlegendary artifact spell you cast each turn has casualty 2
If you somehow control Phenomenon Investigators and no choice was made for it (perhaps because another permanent on the battlefield became a copy of it, or it was manifested and later turned face up), it has neither of the two triggered abilities, no matter how much you want to believe (or doubt)