Pirate Ship can't attack unless defending player controls an Island.: Pirate Ship deals 1 damage to any target.When you control no Islands, sacrifice Pirate Ship.
Enchant creature you controlEnchanted creature has ": This creature deals 1 damage to any target."Sacrifice Fire Whip: Fire Whip deals 1 damage to any target.
Kicker and/or (You may pay an additional and/or as you cast this spell.)When Thornscape Battlemage enters, if it was kicked with its kicker, it deals 2 damage to any target.When Thornscape Battlemage enters, if it was kicked with its kicker, destroy target artifact.
FlyingAt the beginning of your upkeep, sacrifice Nicol Bolas unless you pay .Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.
You may choose not to untap Giant Oyster during your untap step.: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters...
Choose a number. Destroy all artifacts and creatures with mana value equal to that number. Then target player reveals their hand and discards all nonland cards with mana value equal to the number.