As Catch of the Day enters the battlefield, choose one for each of the following.
Keyword
→ Vigilance (Attacking doesn't cause this creature to tap.);
ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .); or
islandwalk (This creature is unblockable as long as defending player controls an Island.).
Whenever this creature attacks
→ Scry 2
(Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.);
goad (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) target creature an opponent controls; or tap target creature an opponent controls.
Size
→ 6/2; 4/4; or 2/6.