4 card display case 4Grids Trading Cards Frame, 100% Solid Wood Frame with Pieces Magnetic Holder for Football, Basketball, Hockey Collector Cards(Standard Cards, Black) : Sports & Outdoors trading cards etc Magnetic 4-Card Holder - 35

The mana rocks are pretty standard

This is allowed because the former two remove a card as their cost, and therefore cannot be negated by SIM)

R Rare Bujingi Ophidian X LIGHT Level 4 [ Winged BeastEffect ] ATK 1700 DEF 500 During your Main Phase 1: You can send this card from your hand to the Graveyard, then target 1 "Bujin" monster you control

Finding some organizational system does help

Useful when you want to draft a cube from a specific set, when youre re-creating a deck from a tournament report, or when you want a particular art

We've seen so far that there are five Ranks with 4 Levels each, and the highest Rank, Mythic