For a service like Packz, where every digital pull corresponds to a real, graded card, maintaining accurate and transparent pull rates is fundamental
You may put a nonland permanent card with mana value X or less from among them onto the battlefield
The other options are reanimation or Sneak AttackSneak Attack shenanigans, but at that point it becomes more of a stax piece than a ramp answer
If Evie Frye and Jacob Frye are your commanders, your deck may contain cards with blue and/or black in their color identity, but not white, red, or green
Your average Goyf tends to be about a 4/5 (instant, sorcery, creature, land) by turn 3, but as the game progresses, even the slightest increase in its power can completely ruin your combat math