Meandering River

+2: Target creature can't be blocked this turn. −3: Draw two cards. −10: Tap all creatures your opponents control. You take an extra turn after this one.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When this creature dies, draw a card.

This creature has flying as long as it's attacking. (It can't be blocked except by creatures with flying or reach.)

Flying (This creature can't be blocked except by creatures with flying or reach.) This creature can block only creatures with flying.

Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever this creature attacks, another target creature you control gains flying until end of turn.