Flying Rule 702.9 Glossary

A keyword ability that restricts how a creature may be blocked. See rule 702.9, “Flying.”
Support Rule 701.41 Glossary

A keyword action that lets you put +1/+1 counters on creatures. See rule 701.41, “Support.”

Rulings (3)

January 22, 2016 Wizards of the Coast
You can't put more than one +1/+1 counter on any one target using the support action.
January 22, 2016 Wizards of the Coast
Support can target a creature you don't control.
January 22, 2016 Wizards of the Coast
If a spell with support has other abilities that target creatures, those abilities and the support ability can target the same creature.

Other Printings