This is important: if they accept, then the other player, even though they have not initiated the trade, has to match your card's rarity, spend the same amount of Trade Tokens, use up the same amount of Stamina, and even make sure to apply a Flair effect to the card they're offering, if you did so to yours
Graded Population Report: Eevee #54 Visualize the distrbution of grades in the chart
In the case you use Pendulum monsters, they will be sent to the extra deck
Dueling Nexus has the most advanced deck builder in the world
Ratchet, Field Medic Ratchet, Field Medic mixes the worlds of lifegain and artifact synergies to make a legendary robot that recurs artifacts based on their mana cost
Starke is probably the best combo leader since you have twice the chance of drawing your combo pieces naturally, but #2 below might be better for some combos