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.) In a Two-Headed Giant game, Traveling Chocobo's second ability does not affect triggered abilities of permanents your teammate controls
In general, Blue struggles to remove anything permanently, but it does have a few pieces of removal up its sleeve
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1: Rebellious Renegades - Rainbow Foil Edition - Magic EN Rated 0 / 5 50,00 Secret Lair x Dungeons & Dragons: An Exhibition of Adventure - Rainbow Foil Edition - Magic EN Rated 0 / 5 70,00 Secret Lair: Ultimate Edition single cards See cards Arid Mesa Arid Mesa Verdant Catacombs Verdant Catacombs Riverglide Pathway // Lavaglide Pathway Riverglide Pathway // Lavaglide Pathway Darkbore Pathway // Slitherbore Pathway Darkbore Pathway // Slitherbore Pathway Hengegate Pathway // Mistgate Pathway Hengegate Pathway // Mistgate Pathway Barkchannel Pathway // Tidechannel Pathway Barkchannel Pathway // Tidechannel Pathway Blightstep Pathway // Searstep Pathway Blightstep Pathway // Searstep Pathway Marsh Flats Marsh Flats Misty Rainforest Misty Rainforest Scalding Tarn Scalding Tarn Blast Zone Blast Zone Brightclimb Pathway // Grimclimb Pathway Brightclimb Pathway // Grimclimb Pathway

Plus, its a card with an auto-target on it, as the player is often attacked in order to either end the Eye shenanigans or force him to drop his hand and spend mana on defense rather than on cards
Thanks to this value, and the potential to become a serious beater with in-built protection, Animar is also a popular Commander option