None is especially outstanding, although the ex versions are obviously the most powerful
Speed Duel Starter Decks: Ultimate Predators is unleashed August 2 with 66 cards: 1 30-card Rex Raptor Deck, 1 30-card Weevil Underwood Deck, 4 Skill Cards and 2 Ultra Rare variant cards
The mat tracks Commander Damage, Commander Tax, Floating Mana, Poison, Energy, Storm Count, Devotion, Artifact Count, Graveyard Count, Clues, Treasure, Monarch, Day/Night, and a Misc space
Minor printing imperfections may be present, and/or slightly off-white bordering
The devious part you need to keep an eye out for though is that it also untaps the creature, meaning against blue opponents you need to consider even their tapped creatures
Said attack is (almost) viable, as it gives you a 50% chance of letting you search your deck for at least any 1 card, a 25% chance of making that number 2, and a ~1.42110 -12 % chance of letting you search for all 46 cards you wouldnt have seen by this point