10000 card sleeves 10,000 Ultra Pro Soft Transparent 'penny' for sports or game cards (1 Case = 100 packs100 sleeves) : Toys & Games The sleeve dimensions are slightly larger at 2 x 3 (67 x 92mm) Wholesale 10,000 Pack - Standard

Not only can you hold up countermagic to freeze the boardstate, but you can sink excess mana into scry effects, immediately increasing the power of your board rather than needing to first spend a turn drawing cards, then casting them and then eventually being able to attack

Wilds of Eldraines lone walker is Ashiok, Wicked Manipulator

A lot of these cards are absolutely stunning and might change the meta

As Obeka can be tapped to immediately end its controller's turn, exiling any spells and abilities from the stack by doing so, Obeka can be activated when this game-loss trigger is on the stack, negating it completely and allowing Last Chance and Final Fortune to function as two-mana extra turn spells with no drawbacks

Might experiment with reducing the number of copies of Warrior Returning Alive to 1 or 0 since Oil and Renaud both do a pretty good job

Trap Cards have a Trigger condition which indicates that the card effect is automatically activated when that trigger is met (the player has no control over this activation)