gate guardian deck yugioh Deck! : r/YuGiOhMasterDuel Gate Guardian of Shadows by

She gains a loyalty counter to create a 1/1 creature token (which automatically becomes two), she adds a +1/+1 counter on all of your creatures AND gives them flying until your next turn (all for free), or she can sacrifice three loyalty counters to destroy a target creature of mana value three or greater

It's all about those Wildcards

Cosmic Horror T.R.I (Updated) - HOPT added DARK/Wyrm/Level 3/Effect Once per turn, While you control no cards, you can special summon this card from your hand

Doran decks have undercosted creatures with high toughness and low power, which both gives them cards to cast off the Expertise and makes most of their creatures invulnerable to the -3 toughness