Natural Affinity, Darkness Descends, and Necroskitter

Prerequisites

• Natural Affinity in hand
• Darkness Descends in hand
• Necroskitter on the battlefield
• available

Steps

1. Cast Natural Affinity by paying , causing all lands to become 2/2 creatures in addition to their other types
2. Cast Darkness Descends by paying , putting two -1/-1 counters on each creature
3. Each land dies as a state-based action due to having 0 toughness, as well as each creature that had toughness 2 or less
4. Necroskitter triggers for each creature and land your opponents controlled that died, returning them from their graveyards onto the battlefield under your control

Results

• Gain control of all lands opponents control
• Gain control of some creatures opponents control
• Mass Land Denial