, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

When Woodweaver's Puzzleknot enters the battlefield, you gain 3 life and get (three energy counters).

, Sacrifice Woodweaver's Puzzleknot: You gain 3 life and get .

Trample

When Workshop Warchief enters the battlefield, you gain 3 life.

When Workshop Warchief dies, create a 4/4 green Rhino Warrior creature token.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

At the beginning of your upkeep, you may choose a card type. If you do, each player sacrifices a permanent of that type.

If you would create one or more artifact tokens, instead create those tokens plus an additional Map token. (It's an artifact with ", , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

, : Create a token that's a copy of target artifact token you control.

Players can't play lands.

Lands can't enter the battlefield.

At the beginning of each upkeep, any player may sacrifice two lands or have Worms of the Earth deal 5 damage to that player. If a player does either, destroy Worms of the Earth.

Equipped creature gets +1/+1 and has vigilance and ", : Tap target creature."

, Sacrifice Wrench: Draw a card.

Equip

Devoid (This card has no color.)

When you cast this spell, create two 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this creature: Add ."

Reach

Whenever you sacrifice another Eldrazi, put a +1/+1 counter on Writhing Chrysalis.

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell.)

Each opponent exiles the top card of their library. You may cast spells from among those cards this turn. If you cast a spell this way, pay life equal to that spell's mana value rather than pay its mana cost.

Flying, trample

At the beginning of your upkeep, sacrifice a creature other than Xathrid Demon, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap Xathrid Demon and you lose 7 life.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Sacrifice Xiahou Dun, the One-Eyed: Return target black card from your graveyard to your hand. Activate only during your turn, before attackers are declared.

When Yasharn enters the battlefield, search your library for a basic Forest card and a basic Plains card, reveal those cards, put them into your hand, then shuffle.

Players can't pay life or sacrifice nonland permanents to cast spells or activate abilities.

When Yavimaya Elder dies, you may search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

, Sacrifice Yavimaya Elder: Draw a card.

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

, Sacrifice Yavimaya Steelcrusher: Destroy target artifact.

Protection from Humans

Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.

, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I — Create a 0/2 colorless Thopter artifact creature token with flying named Ornithopter.

II — Tap any number of untapped artifacts you control. When you do, Yotia Declares War deals that much damage to target creature or planeswalker.

III — Up to one target artifact you control becomes an artifact creature with base power and toughness 4/4 until end of turn.

When Yukora, the Prisoner leaves the battlefield, sacrifice all non-Ogre creatures you control.

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

Remove three quest counters from Zektar Shrine Expedition and sacrifice it: Create a 7/1 red Elemental creature token with trample and haste. Exile it at the beginning of the next end step.

Flying

At the beginning of your end step, you may sacrifice another creature. When you do, Ziatora, the Incinerator deals damage equal to that creature's power to any target and you create three Treasure tokens.

Reach

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.

, Sacrifice two other creatures: Put an indestructible counter on Zopandrel, Hunger Dominus. ( can be paid with either or 2 life.)

Sacrifice a land: You gain 2 life.