I don't like the suggestion; searching for a basic to put into your hand is an ability worth almost a card and a mana; that's too powerful for a mulligan offset. This rule also weakens color restrictions too much in my opinion; being able to craft the mana for your first couple of turns almost perfectly with just basics and no deckbuilding investment collapses a lot of strategic choices.
As always, the problem with any mulligan rule is that managing decisions under uncertainty is a fundamental tenet of TCG strategy; any step you take to reduce non-games is a step towards repetitive play patterns. Players are smart; if you give them something guaranteed, they can then abandon any effort they were applying to get that thing before and redirect it somewhere else.
I don't like the suggestion; searching for a basic to put into your hand is an ability worth almost a card and a mana; that's too powerful for a mulligan offset. This rule also weakens color restrictions too much in my opinion; being able to craft the mana for your first couple of turns almost perfectly with just basics and no deckbuilding investment collapses a lot of strategic choices.
As always, the problem with any mulligan rule is that managing decisions under uncertainty is a fundamental tenet of TCG strategy; any step you take to reduce non-games is a step towards repetitive play patterns. Players are smart; if you give them something guaranteed, they can then abandon any effort they were applying to get that thing before and redirect it somewhere else.