HMS Ark Royal

Flying
You may tap 1/1 creatures to pay {1} less to cast
HMS Ark Royal.

HMS Ark Royal gets +1/+1 for each 1/1 creature
you control.
Whenever a 1/1 creature dies, HMS Ark Royal can
deal 5 damage to target creature.

{u}, {t}, Tap two 1/1 creatures you control: Exile
target creature with power 2 or greater.