When a player Special Summons “Uria, Lord of Searing Flames” and activates its effect to destroy a Set Spell or Trap Card, no Spell or Trap card can be chained, including “Bottomless Trap Hole”, “Torrential Tribute”, or “Divine Wrath”.
You can send “Embodiment of Apophis” to the Graveyard even while it is a monster, because it is still a Continuous Trap Card.
The effect of “Uria, Lord of Searing Flames” that increases his ATK is a Continuous Effect. His effect that destroys Spell & Trap Cards is an Ignition Effect.
If you control “Rivalry of Warlords” and 2 other face-up Trap Cards, and you control a non-Pyro monster, you cannot send the 3 face-up Trap Cards to the Graveyard to Summon “Uria, Lord of Searing Flames” because “Rivalry of Warlords” prevents you from Summoning monsters of different Types.