(1) While Umi is on the field, each player can only control 1 face-up non-WATER monster (if a player controls 2 or more face-up non-WATER monsters, that player sends those monsters to the GY until they control only 1)
Having Skullclamp available, you are essentially able pay 1 mana to equip it and be able to draw 2 cards and get a death trigger
Cat Shark If youre playing any sort of XYZ strategy in your deck, then Cat Shark is a must have for your extra deck
Entropic Uprising supports this heavily by running tons of Wheels (Runehorn Hellkite, Dragon Mage, Wheel of Fate, Windfall, Ancient Excavation, Whispering Madness) and then a bunch of ways to take advantage of all those discarded cards / filled graveyards with stuff that reward you for your opponents discarding (Nath of the Gilt-Leaf, Sangromancer, Waste Not) or for having filled graveyards (Guiltfeeder, Spellheart Chimera, Worm Harvest, Ghastly Conscription)
#GATCHA deck Item ID: 604210182