Myr Battlesphere [Duel Decks: Elves vs. Inventors] XY201 change the attack target to

change the attack target to this card and proceed to damage calculation

You can only use this effect of "Ice Barrier" once per turn

exile target instant or sorcery card from an opponent's graveyard

Negate that effect and destroy that card

you can Special Summon up to 4 "Ojama" monsters from your hand in Attack Position

Myr Battlesphere [Duel Decks: Elves vs. Inventors] XY201 change the attack target toSet: Duel Decks: Elves vs. Inventors Type: Artifact Creature Myr Construct Rarity: Rare Cost: {7} When Myr Battlesphere enters the battlefield, create four 1 1 colorless Myr artifact creature tokens. Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X +0 until end of turn and deals X damage to the player or planeswalker it's attacking.