Hybrid mana is a very versatile tool, but it can be a bit of a head-scratcher when it's involved in other mechanics that care about colors and color combinations in mana costs, like devotion or color identity in EDH
Intimidate is an update of the fear ability, and would go on to be replaced by menace, which is now the only iteration of this kind of combat evasion
I want to stress: I do know there's better, cleaner ways to win with infinite untaps and mana in Selesnya, but what keeps a strategy like this in Bracket 2 is the fact that its very conceit, the essence of its being, hinges on having Gideon around
Sonic Stun X TRAP When an opponent's monster declares an attack: Negate the attack, then you can Special Summon 1 "T.G." monster, or 1 Level 4 or lower Tuner, from your hand or Deck