It has an interesting built-in protection with its ward cost (sacrifice two permanents), but people can simply wrath or sac two useless lands/tokens
The last ability of Clive's Hideaway will allow you to cast both exiled cards without paying their mana costs (assuming you control four or more legendary creatures at that time.) (6/6/2025) In a Two-Headed Giant game, Traveling Chocobo's second ability does not affect triggered abilities of permanents your teammate controls.
Ritual Summon 1 Ritual Monster from your hand, by Tributing Blue-Eyes White Dragon(s) from your hand or field whose total Levels exactly equal the Level of that Ritual Monster
Overmaster is the best, followed by some haste enablers, then a bunch of effects that you might not care about other than the draw effect ( glances significantly over at Warlord's Fury )
It will do very well in most matchups but like Electrolyse you cannot play too much in the way of heavy cards
At the time of this document's publication, it is exceedingly unlikely you will reveal a battle this way