Swamp

Myr Superion

Spend only mana produced by creatures to cast this spell.

Palladium Myr

Island

Counterspell

Bone Dancer

Whenever Bone Dancer attacks and isn't blocked, you may put the top creature card of defending player's graveyard onto the battlefield under your control. If you do, Bone Dancer assigns no combat damage this turn.

Winter Orb

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.