Sunburst adds counters only if the object with sunburst is entering the battlefield from the stack as a resolving spell and only if one or more colored mana was spent on its costs, including additional or alternative costs.
July 13, 2013 · Magic 2014
If a creature has multiple instances of bushido, each triggers separately.
June 17, 2011 · Commander 2011
If a permanent has multiple instances of soulshift, each triggers separately.
April 1, 2011 · Duel Decks: Knights vs. Dragons
You can't choose to use a splice ability if you can't make the required choices (targets, etc.) for that card's instructions. You can't splice any one card onto the same spell more than once. If you're splicing more than one card onto a spell, reveal them all at once and choose the order in which their instructions will be followed. The instructions on the main spell have to be followed first.
February 4, 2011 · Mirrodin Besieged
You can’t choose to use a splice ability if you can’t make the required choices (targets, etc.) for that card’s instructions. You can’t splice any one card onto the same spell more than once. If you’re splicing more than one card onto a spell, reveal them all at once and choose the order in which their instructions will be followed. The instructions on the main spell have to be followed first.
October 1, 2010 · Scars of Mirrodin
You can’t choose to use a splice ability if you can’t make the required choices (targets,
February 1, 2010 · Worldwake
You can't choose to use a splice ability if you can't make the required choices (targets, etc.) for that card's instructions. You can't splice any one card onto the same spell more than once. If you're splicing more than one card onto a spell, reveal them all at once and choose the order in which their instructions will be followed. The instructions on the main spell have to be followed first.