When Angelheart Protector enters the battlefield, target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Flying

As long as there are five or more mana values among cards in your graveyard, Aven Heartstabber gets +2/+2 and has deathtouch.

When Aven Heartstabber dies, mill two cards, then draw a card.

Sacrifice another creature: Until end of turn, Bogardan Dragonheart becomes a Dragon with base power and toughness 4/4, flying, and haste.

When a creature dealt damage by Bushi Tenderfoot this turn dies, flip Bushi Tenderfoot.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Target creature can't attack this turn.

Trample

When Cinderheart Giant dies, it deals 7 damage to a creature an opponent controls chosen at random.

Enchant player

At the beginning of enchanted player's upkeep, Curse of the Pierced Heart deals 1 damage to that player or a planeswalker that player controls.

All Slivers have "Sacrifice this permanent: You gain 3 life."

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

Whenever Flameheart Werewolf blocks or becomes blocked by a creature, Flameheart Werewolf deals 2 damage to that creature.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Flameheart Werewolf.

Whenever a player casts an artifact spell, you may gain 1 life.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When a player doesn't pay Heart of Bogardan's cumulative upkeep, Heart of Bogardan deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls, where X is twice the number of age counters on Heart of Bogardan minus 2.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)

Prevent all damage that would be dealt to and dealt by enchanted creature.

If Heart of Yavimaya would enter the battlefield, sacrifice a Forest instead. If you do, put Heart of Yavimaya onto the battlefield. If you don't, put it into its owner's graveyard.

: Add .

: Target creature gets +1/+1 until end of turn.

: Add .

, Sacrifice Heart Warden: Draw a card.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

, Sacrifice Heartfire Immolator: It deals damage equal to its power to target creature or planeswalker.

Heartflame Slash deals 3 damage to any target. (Then exile this card. You may cast the creature later from exile.)

This spell costs less to cast, where X is the number of cards in your graveyard that are instant cards, sorcery cards, and/or have an Adventure.

When Hearthcage Giant enters the battlefield, create two 3/1 red Elemental Shaman creature tokens.

Sacrifice an Elemental: Target Giant creature gets +3/+1 until end of turn.

Haste

Chroma — When Heartlash Cinder enters the battlefield, it gets +X/+0 until end of turn, where X is the number of red mana symbols in the mana costs of permanents you control.

Exile all creatures. For each card exiled this way, you may play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. Exile Heartless Conscription.

Target opponent discards two cards.

Raid — If you attacked this turn, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

At the beginning of your upkeep, remove a -1/-1 counter from each creature you control.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

When Heart-Piercer Manticore enters the battlefield, you may sacrifice another creature. When you do, Heart-Piercer Manticore deals damage equal to that creature's power to any target.

Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Manticore with no mana cost. Embalm only as a sorcery.)

Equipped creature gets +2/+1 and has ", Unattach Heartseeker: Destroy target creature."

Equip (: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Activated abilities of creatures cost less to activate. This effect can't reduce the mana in that cost to less than one mana.

Heartwood Dryad can block creatures with shadow as though Heartwood Dryad had shadow.

, or , : Target creature gains trample until end of turn.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Each creature you control assigns combat damage equal to its toughness rather than its power.

−3: You gain life equal to the greatest toughness among creatures you control.

Vigilance

Sacrifice Iron-Heart Chimera: Put a +2/+2 counter on target Chimera creature. It gains vigilance. <I>(This effect lasts indefinitely.)</I>

At the beginning of combat on your turn, creatures you control get +3/+3 and gain trample until end of turn.

: Until end of turn, target land you control becomes a 1/1 Elemental creature with vigilance, indestructible, and haste. It's still a land.

Partner (You can have two commanders if both have partner.)

Landfall — Whenever a land enters the battlefield under your control, you may put a quest counter on Khalni Heart Expedition.

Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Target opponent reveals their hand. You choose a nonlegendary, nonland card from it. That player discards that card.

Lovestruck Beast can't attack unless you control a 1/1 creature.

: Add .

, : Put a +1/+1 counter on each creature that entered the battlefield this turn.

: 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.)

As long as it's your turn, Radha, Heart of Keld has first strike.

You may look at the top card of your library any time, and you may play lands from the top of your library.

: Radha gets +X/+X until end of turn, where X is the number of lands you control.

When Rottenheart Ghoul dies, target player discards a card.

Whenever another creature enters the battlefield, its controller may draw a card if its power is greater than each other creature's power.

, : Add X mana in any combination of colors, where X is the greatest power among creatures you control.

, , Sacrifice another creature: Draw X cards, where X is that creature's power.

Choose a Background (You can have a Background as a second commander.)

: Skittering Heartstopper gains deathtouch until end of turn.

Flying

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Discard your hand, then draw two cards. (Then exile this card. You may cast the creature later from exile.)

Target creature gets +2/+2 until end of turn. You gain 1 life for each attacking creature you control.

You may exert Trueheart Twins as it attacks. (It won't untap during your next untap step.)

Whenever you exert a creature, creatures you control get +1/+0 until end of turn.

: Target creature gets +5/+5 and gains trample until end of turn.

Flying

You may cast Worldheart Phoenix from your graveyard by paying rather than paying its mana cost. If you do, it enters the battlefield with two +1/+1 counters on it.

At the beginning of your upkeep, you gain X life and draw X cards, where X is the number of permanents you own that your opponents control.

: Target opponent gains control of target permanent you control.