The decklists shared here have found success in tournament events but can be tweaked depending on meta shifts or players' preferences
Watermark: Witherbloom Illustrated by Randy Vargas Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
WOTC commons/uncommons/non-holo rares are sleeved, toploaded and stacked upright in a plastic bin
Crew 1 makes it very easy to have at least a few of them active each turn, and you only actually have to sacrifice three permanents to turn the entire fleet into flying creatures
Fusion Summon 1 "Supreme King Zarc" by banishing materials from your hand, Deck, Extra Deck, field and/or GY, but negate its effects if you do not have 1 of each "Pendulum Dragon", "Xyz Dragon", "Synchro Dragon", "Fusion Dragon" monster banished.
Mangara, the Diplomat will let you draw a card if more than one creature attacks you, and Brash Taunter stands ready and able to block the largest, non-trampling creature thats attacking you