Cycle of uncommon frenemies.

Blue getting first strike just because the opponent plays red is the nonsense Magic has consciously cut out of their color hosers for multiple reasons. Bad gameplay is the more important one.

really? what about Vampire hosers? is they bad too? is constricted removal (e.g. destroy artifact) bad design, vs. universal removal (e.g. detroy permanent)?

anyway this is more about rewarding your own red-blue deck.

If a Vampire hoser violates the color pie, then, yes, they is bad too.

If this is about you rewarding for playing red in addition to blue, then it should require you to play red in addition to blue: "you control" over "a player controls".

who said anything about require red? why must that be the only path? why can't it both help you and hurt opponent?

you seem to imply ANY hoser is 'bad' gameplay. you know they are printing cards in upcoming set that benefit you if an opponent plays certain colors. oops they must be bad designs, too. oops that counters your argument WotC don't like color hosers.

Read the first sentence again. I'm not talking about cutting all color hosers, but cutting off-color benefits out of color hosers.

Magic has moved from Volcanic Erruption (red effect on a blue card hosing red) to Baleful Stare (blue effect on a blue card hosing red). Do you see how this improvement doesn't remove the concept of a color hoser from the game? It just means that the means of hosing should still be available to the colors you play.

­Saprazzan Legate e. g. has flying rather than first strike, because it's a blue creature, not red. It's a color hoser, but it's also in-color.

You have placed trample in blue, so Glacial Crasher should be fine.