Compared to the level-restricted area B , it was a trap card, so it was differentiated in that it could be activated by looking at the opponent's play
Blue-Eyes Spirit Dragon also limits special summons to 2 at the same time, meaning you can stop pendulum decks from pendulum summoning
If heads, prevent all effects of an attack, including damage, done to mr beast during your opponent's next turn
Altergeist Fifinellag X DARK Level 2 [ SpellcasterTunerEffect ] ATK 0 DEF 1000 Monsters your opponent controls cannot target "Altergeist" monsters you control for attacks, except "Altergeist Fifinellag", also your opponent cannot target "Altergeist" monsters you control with card effects, except "Altergeist Fifinellag"
In a move that many will see as disregarding that second point, MTG Foundations includes a reprint of the infamous Doubling Season