Swarm of Bloodflies

Outlast W (W, T: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each creature you control with a +1/+1 counter on it has lifelink.

Outlast W (W, T: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each creature you control with a +1/+1 counter on it has flying.

Outlast 1W (1W, T: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each creature you control with a +1/+1 counter on it has first strike.

Flying, vigilance

Creatures you control have vigilance. Each creature you control can block an additional creature each combat.

Defender 1W, T: Tap target creature.

Target creature gets +1/+0 until end of turn. Draw a card.

Destroy all creatures and all permanents attached to creatures.