What are different ideas to make new types of basic attacks and buffs for newer champions to come?

FOR EXAMPLE-:
NOM OM-: The champion has X •|• chance to steal an enemy beneficial effect from the opponent and harness it to trigger his power gain, recovering X •|• power over X seconds.
NOM OM-: The champion has X •|• chance to steal an enemy beneficial effect from the opponent and harness it to trigger his power gain, recovering X •|• power over X seconds.
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