Flying: Search your library for a Dragon permanent card and put it into your graveyard. If you do, Scion of the Ur-Dragon becomes a copy of that card until end of turn. Then shuffle.
Return target black creature card from your graveyard to your hand.Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)Search your library for a card, put that card into your hand, then shuffle.
All Sliver creatures have flying.All Slivers have "If this permanent would be put into a graveyard, you may put it on top of its owner's library instead."
Target player sacrifices half the permanents they control of their choice, rounded down.Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)At the beginning of each...
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn. (Mana abilities can't be targeted.)
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.
Enchant creatureEnchanted creature has flying and "Sacrifice a creature: This creature gets +2/+1 until end of turn."When Fallen Ideal is put into a graveyard from the battlefield, return Fallen Ideal to its owner's hand.
: Add .When Flagstones of Trokair is put into a graveyard from the battlefield, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.