Teferi's Response [Invasion] Pioneer where X is the number

where X is the number of cards in their hand minus 4

Set: Commander Anthology Volume II Type: Sorcery Rarity: Rare Cost: {2}{B}{B} All creatures get -4/-4 until end of turn

and has "{2}{B}

−X: Return target nonlegendary creature card with converted mana cost X from your graveyard to the battlefield

creatures you control gain first strike until end of turn if a creature you control has first strike

Teferi's Response [Invasion] Pioneer where X is the numberSet: Invasion Type: Instant Rarity: Rare Cost: {1}{U} Counter target spell or ability an opponent controls that targets a land you control. If a permanent's ability is countered this way, destroy that permanent. Draw two cards.