Strive — This spell costs more to cast for each target beyond the first.

Any number of target creatures each get +1/+1 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Enchant your library

Enchanted library is an artifact creature on the battlefield with power and toughness each equal to the number of cards in it. It's still a library.

If enchanted library would leave the battlefield, exile Animate Library instead.

+1: Create a 2/3 blue and black Nightmare creature token with "Whenever this creature attacks or blocks, each opponent exiles the top two cards of their library."

−3: Return target nonland permanent to its owner's hand, then that player exiles a card from their hand.

−7: You may cast up to three spells from among face-up cards your opponents own from exile without paying their mana costs.

Target creature gets +4/-4 until end of turn.

Flying

At the beginning of each upkeep, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

Pay 10 life: Untap all lands you control. Activate only once each turn.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Bituminous Blast deals 4 damage to target creature.

Haste (This creature can attack and as soon as it comes under your control.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Flying

Whenever another creature you control enters, target creature gets +2/+0 until end of turn.

Vigilance

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Choose a nonland card name. Target player reveals their hand and discards all cards with that name.

Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Canal Courier enters, you become the monarch.

Whenever Canal Courier and another creature attack different players, Canal Courier can't be blocked this combat.

Put a +1/+1 counter on target creature.

Put a +1/+1 counter on target creature.

Whenever Conduit of Storms attacks, add at the beginning of your next main phase this turn.

: Transform Conduit of Storms.

Death Grasp deals X damage to any target. You gain X life.

Prevent all combat damage that would be dealt to players this turn.

Strive — This spell costs more to cast for each target beyond the first.

Any number of target creatures each get +2/+0 and gain first strike and vigilance until end of turn.

Search your library for up to X cards, put those cards into your hand, then shuffle.

Creatures you control get +1/+0.

+1: Add or . Creature spells you cast this turn can't be countered.

−2: Target creature you control fights target creature you don't control.

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Eidolon of Countless Battles and enchanted creature each get +1/+1 for each creature you control and +1/+1 for each Aura you control.

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Destroy all creatures with power greater than target creature's power.

Flame Slash deals 4 damage to target creature.

Flying

When Galazeth Prismari enters, create a Treasure token.

Artifacts you control have ": Add one mana of any color. Spend this mana only to cast an instant or sorcery spell."

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Exile target white permanent.

Creatures you control get +1/+1.

Deathtouch

Delirium — Gnarlwood Dryad gets +2/+2 as long as there are four or more card types among cards in your graveyard.

, Sacrifice a land: Put a +1/+1 counter on Goblin Razerunners.

At the beginning of your end step, you may have Goblin Razerunners deal damage equal to the number of +1/+1 counters on it to target player or planeswalker.

Whenever you cast an instant or sorcery spell from your hand, you may cast target card with the same name as that spell from your graveyard. (You still pay its costs.)

At the beginning of combat on your turn, you may have target creature you control get +2/+0 and gain haste until end of turn. If you do, sacrifice it at the beginning of the next end step.

: Remove up to X counters from target permanent. For each counter removed this way, Hex Parasite gets +1/+0 until end of turn. ( can be paid with either or 2 life.)

Whenever a creature enters, that creature's controller may have it deal damage equal to its power to any target of their choice.

Whenever chaos ensues, exile target creature, then return it to the battlefield under its owner's control.

Destroy target land. Into the Maw of Hell deals 13 damage to target creature.

+1: Creatures you control gain deathtouch until end of turn. Put a +1/+1 counter on up to one target creature token you control.

−2: Until end of turn, if one or more tokens would be created under your control, twice that many of those tokens are created instead.

−6: Exile all cards from all graveyards, then create a 1/1 white Spirit creature token with flying for each card exiled this way.

Whenever another creature dies, you may put X +1/+1 counters on Kresh the Bloodbraided, where X is that creature's power.

Creatures you control get +2/+1 until end of turn.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, those creatures also gain vigilance until end of turn. (Attacking doesn't cause them to tap.)

Lightning Helix deals 3 damage to any target and you gain 3 life.

Enchant creature

Whenever enchanted creature becomes tapped, Lust for War deals 3 damage to that creature's controller.

Enchanted creature attacks each combat if able.

Counter target spell. At the beginning of your next main phase, add an amount of equal to that spell's mana value.

Target creature gets +3/+0 until end of turn.

Target creature gets +0/+3 until end of turn.

Devoid (This card has no color.)

Whenever you cast a colorless spell, Molten Nursery deals 1 damage to any target.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Lifelink

Flying

When Necrogen Scudder enters, you lose 3 life.

+2: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.

+1: Each opponent exiles two cards from their hand.

−4: Nicol Bolas, God-Pharaoh deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

−12: Exile each nonland permanent your opponents control.

Flying

When Niv-Mizzet Reborn enters, reveal the top ten cards of your library. For each color pair, choose a card that's exactly those colors from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order.

As Nyxathid enters, choose an opponent.

Nyxathid gets -1/-1 for each card in the chosen player's hand.

: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)

Enchant creature

Enchanted creature has ": Scry 1, then draw a card." (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

, : Search your library for a permanent card, put it onto the battlefield, then shuffle.