Time Spiral

All Slivers have "Sacrifice this permanent: Add {B}{B}."

Destroy target tapped creature.

{T}, Sacrifice Magus of the Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end ste...

Flash Flying When Crookclaw Transmuter enters the battlefield, switch target creature's power and toughness until end of turn.

Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Coral Trickster is turned...

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Choose a counter on tar...

All Sliver creatures get +0/+2.

({T}: Add {G}.)

{T}: Add {C}. {7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield wit...

{T}: Add {W}. When Flagstones of Trokair is put into a graveyard from the battlefield, you may search your library for a Plains card, put it onto t...

Vigilance When Jedit's Dragoons enters the battlefield, you gain 4 life.

Trample Whenever a creature you control with trample attacks, it gets +2/+2 until end of turn.

All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."

All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment."

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) When Yavimaya Dryad enters the battlefield, you may sea...

Until end of turn, target creature gains trample and gets +X/+X, where X is the number of attacking creatures.

Create a 1/1 green Saproling creature token.

Scarwood Treefolk enters the battlefield tapped.

Amrou Seekers can't be blocked except by artifact creatures and/or white creatures.

Choose one — • Creatures you control get +2/+0 until end of turn. • Creatures you control get +0/+2 until end of turn.

Target creature without flying can't block this turn. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may ch...

{1}{R}, {T}, Discard a card: Target creature gets +1/-1 and gains haste until end of turn.

Destroy target artifact. Flashback {G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)