flip effect deck yugioh | Yu-Gi-Oh! Wiki SUBTERROR DECK FLIP EFFECT COMBO

Avance, Magical Warrior of the Nekroz Level 4 WATER You can only use the [3] effect of this card once per duel

Face-up "Destiny" and "Spirit Message" Spell & Trap cards, except this card, cannot be destroyed by card effects

Potentially really dangerous if built to do just this

You can only use each effect of "Junk Sleep" once per turn

Other Examples Pointed out by Redditor charlie987987, the German copy of Ixalans Makeshift Munitions taps

The main concept are both the introduction of something that modern MTG players would take for granted -- the first being multi-coloured cards , cards which require multiple different colours to summon