Changeling (This card is every creature type at all times.) Creatures target player controls get +0/+1 and gain all creature types until end of turn.
Mirrorpool enters the battlefield tapped. T: Add C to your mana pool. 2C, T, Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy. 4C, T, Sacrifice Mirrorpool: Put a token onto the battlefield that's a copy of target creature you control.
Trample Whenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with mana value less than or equal to Dreadhorde Arcanist’s power from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.
As long as equipped creature is tapped, tapped creatures you control get +2/+0. As long as equipped creature is untapped, untapped creatures you control get +0/+2. 3: Tap or untap equipped creature. Equip 3
[0]: Put a loyalty counter on each red planeswalker you control. [0]: Create two 1/1 red Elemental creature tokens. They gain haste. Sacrifice them at the beginning of the next end step. [-2]: You may cast target instant or sorcery card with converted mana cost 3 or less from your graveyard. If that card would be put into your graveyard this turn, exile it instead.
Reach Delirium — When Ishkanah, Grafwidow enters the battlefield, if there are four or more card types among cards in your graveyard, put three 1/2 green Spider creature tokens with reach onto the battlefield. 6B: Target opponent loses 1 life for each Spider you control.
Flying Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) At the beginning of your upkeep, if you have the city's blessing, reveal the top card of your library and put it into your hand. Each opponent loses X life and you gain X life, where X is that card's converted mana cost.
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 1.) Flying At the beginning of your end step, each opponent discards a card. 1B, Sacrifice an artifact: Target creature gets -2/-2 until end of turn.
Ghastlord of Fugue is unblockable. Whenever Ghastlord of Fugue deals combat damage to a player, that player reveals his or her hand. Choose a card from it. That player removes that card from the game.
Double strike Eternalize 3WW (3WW, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Cat with no mana cost. Eternalize only as a sorcery.)
Whenever a creature you control enters, it explores. (Reveal the top card of your library. Put that card into your hand if it’s a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)
Whenever an opponent casts a spell, you may exchange control of Perplexing Chimera and that spell. If you do, you may choose new targets for the spell. (If the spell becomes a permanent, you control that permanent.)
Other Goblin creatures you control attack each combat if able. At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste. Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin.
Choose two — • Your opponents can’t gain life this turn. • Atarka’s Command deals 3 damage to each opponent. • You may put a land card from your hand onto the battlefield. • Creatures you control get +1/+1 and gain reach until end of turn.