Most gold cards can only go in one deck, which makes them much less valuable comparatively than their monocolored counterparts
Tigra, Feline Fury would fit best in a green-based lifegain or +1/+1 counter deck, especially in Commander where repeatable life gain (Soul Wardenstyle effects, lifelink creatures, or cards like Wellwisher, Prosperous Innkeeper, or Heliod, Sun-Crowned) can quickly stack counters and turn Tigra into a large trampling threat
Deck Speed and Strategy Alignment Your decks speed determines which dual land cycles perform best
Now let's apply this information, along with the pack distributions listed in the Magic Tournament Rules, to determine how likely we are to encounter copies of specific cards at each rarity in various Limited formats
It creates a huge amount of seemingly random interference while also keeping some level of control over the board