These colour differences are, as I mentioned earlier, fairly marginal and not worth worrying about in these kind of vaccum or blind considerations
When you do, target creature cant block this turn
Commander Fun Ranking: Aetherdrift Hashaton, Scarabs Fist | Illustrated by Wisnu Tan Ketramose, the New Dawn | Illustrated by Maaz Ali Khan Temmet, Naktamuns Will | Illustrated by Douglas Shuler Sab-Sunen, Luxa Embodied | Illustrated by Valera Lutfullina Saheeli, Radiant Creator | Illustrated by Ernanda Souza Hey, nerds
Rampant Frogantua's second ability counts every player who has lost, no matter how the player lost the game: due to a state-based action (having 0 or less life, trying to draw a card from an empty library, having 10 or more poison counters), because of a spell or effect that states they lose the game, because your awesome might has left them with no choice other than concession, or for any other reason
Hope-Ender Coatl can be a surprise counterspell backed up by Ulaleks doubling abilities