You may look at the top card of your library any time.
You may cast artifact and enchantment spells from the top of your library.
{T}, Sacrifice three artifacts and/or enchantments: Search your library for a card, then shuffle and put that card on top.

Choose up to X target creatures. Switch their power and toughness until end of turn.
All creatures get -3/-3 until end of turn.

Gain control of target permanent. Untap it. It gains haste until end of turn.

When Cryptolabe enters, exile your hand and the top card of your library. You may play cards exiled this way for as long as they remain exiled.
{T}: Add {G}{U}. This mana can't be spent to cast spells from your hand.

Flash
Haste
When Cuernas, Victor of the Ring enters, it and other legendary creatures you control gain trample and indestructible until end of turn.

Deathtouch
Ward—Pay 4 life.
Whenever Cybele of the Frozen Faith deals combat damage to a player, you may skip your next turn. If you do, at the beginning of your next turn's upkeep, each opponent discards their hand, you draw seven cards, then put seven +1/+1 counters on Cybele.

When D'Enzo Orsino enters, you may search your library for a card named Marie Laurent, a card named Hans Nehmann and a card named Diago Maldovo, reveal them, put them into your hand, then shuffle.
Prevent all combat damage that would be dealt to legendary Allies you control.

Deathtouch
{1}, {T}: Create a Treasure token.

Ward {2}
At the beginning of your upkeep, put a +1/+1 counter on Decavolt Reactor.

Enchant creature
You control enchanted creature.
Enchanted creature has decayed.

Create a 1/1 colorless Construct artifact creature token, then put a +1/+1 counter on each Construct you control.

Whenever one or more creatures you control deal combat damage to a player, you draw a card unless that player discards a card.
{X}: Creatures with power X or less can't block this turn.

Deathtouch
When you sacrifice Devoted Lackies as a cost to cast a spell or activate an ability that isn't a mana ability, copy that spell or ability. You may choose new targets for the copy.

Dhante's Inferno deals 4 damage to any target. Create a number of tapped Treasure tokens equal to the amount of excess damage dealt this way.
{X}, Exile Dhante's Inferno from your graveyard: Each opponent loses X life and you gain X life. Spend only mana from artifact sources to activate this ability. Activate only as a sorcery.

When you cast this spell, you may choose another creature it could target. If you do, copy it. The copy targets that creature.
Enchant creature
Enchanted creature gets +2/+2.

Exile target creature. Distribute two +1/+1 counters among up to two target creatures you control.

Solidarity
Edgeland Battlefury must be blocked if able, and it must be blocked by two or more creatures if able.

When Elder Soulblade enters, search your library and/or graveyard for a creature card with mana value 2 or less. Put that card onto the battlefield, attach Elder Soulblade to it. If you searched you library this way, shuffle.
Equipped creature gets +3/+1 and has menace.
Equip {5}

First strike, lifelink
When this creature transforms into Eleanor, Kingslayer, exile up to one target creature. If that creature was legendary, put two +1/+1 counters on Eleanor.

Flash
When Eleanor, Royal Captain enters, target legendary creature gains indestructible until end of turn.
Cybersoul {5}{W/B}

Flash
Flying
When Electronegative Specialist enters, choose a number. You and creatures you control gain protection from mana values equal to the chosen number until end of turn.

As long as it's your turn, Elektes has first strike.
At the beginning of combat on your turn, target creature you control gets +X/+0 until end of turn, where X is your devotion to red and white.

{1}, Exile a permanent card from your graveyard: Surveil 2.
{2}, Exile two permanent cards from your graveyard: Draw a card.
{5}, Exile five permanent cards from your graveyard: Exchange your hand and graveyard.

Lifelink
Whenever Empowered Revisionary attacks, if its power is greater than its base power, create a number of 1/1 colorless Soldier creature tokens equal to the difference.

You gain 3 life, scry 2, then draw a card.