Another example is the two-mana Ronom Unicorn that doesn't need to tap or use mana for its sacrifice, although it cannot hit artifacts
Channel and Sneak Attack don't have similar rules text, for example, but they overlap in their ability to do broken things with big colorless creatures, so you might pick up a Sneak Attack to support your early-pick Channel, and then prioritize the legendary Eldrazi creatures, Blightsteel Colossus, and Sundering Titan over a card like Karn Liberated, which only works with the Channel plan
A lot of new players use decks that friends give them, design for them, or recommend to them
1996 World Champion Special Occasion Change Version 1996 World Champion Summon Legend Cannot be the target of spells or effects
That makes this essentially an instant Blaze that exiles cards, gains you life, and only targets a player