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Temple of Enlightenment enters tapped. When Temple of Enlightenment enters, scry 1. {T}: Add {W} or {U}.

{T}: Add {C}. {4}: Put two +1/+1 counters on Crawling Barrens. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a...

{T}, Put a page counter on Mazemind Tome: Scry 1. {2}, {T}, Put a page counter on Mazemind Tome: Draw a card. When there are four or more page coun...

{T}: Add one mana of any color. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creatu...

Prime Speaker Zegana enters with X +1/+1 counters on it, where X is the greatest power among other creatures you control. When Prime Speaker Zegana...

Flying Ward—{3}, Pay 3 life. Whenever you cast a noncreature spell, create X 1/1 red Phyrexian Goblin creature tokens, where X is the mana value of...

Flash Reach Whenever another non-Human creature you control enters, you may pay {X}. When you do, put X +1/+1 counters on Wildborn Preserver.

Formidable — At the beginning of combat on your turn, if creatures you control have total power 8 or greater, target creature you control gains has...

Target creature you control gets +X/+X until end of turn. Then it fights up to one target creature you don't control.

Heroes' Bane enters with four +1/+1 counters on it. {2}{G}{G}: Put X +1/+1 counters on Heroes' Bane, where X is its power.

Stromkirk Noble can't be blocked by Humans. Whenever Stromkirk Noble deals combat damage to a player, put a +1/+1 counter on it.

Menace When Redcap Gutter-Dweller enters, create two 1/1 black Rat creature tokens with "This creature can't block." At the beginning of your upkee...

Flash When Voracious Greatshark enters, counter target artifact or creature spell.

Gatewatch Beacon enters the battlefield with three loyalty counters on it. {T}: Add {W}. Whenever a planeswalker enters the battlefield under your ...

Vigilance, trample, ward {1} At the beginning of combat on your turn, if you've cast both a creature spell and a noncreature spell this turn, draw ...

Magical Tinkering — {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifa...

As this enchantment enters, choose Abzan or Mardu. • Abzan — At the beginning of your end step, put a +1/+1 counter on each creature you control. •...

Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. Harmonize {X}{G}{G}{G}{G} (You may ca...

When this creature enters, you may mill cards equal to the number of lands you control. Renew — {1}{G}, Exile this card from your graveyard: Put X ...

When this creature enters, you may mill cards equal to the number of lands you control. Renew — {1}{G}, Exile this card from your graveyard: Put X ...

{T}: Add one mana of any color. Spend this mana only to cast a creature spell. {T}: Until end of turn, target creature you control with power 4 or ...

When Sarkhan enters, you may behold a Dragon. If you do, create a Treasure token. (To behold a Dragon, choose a Dragon you control or reveal a Drag...

Defender Thing in the Ice enters with four ice counters on it. Whenever you cast an instant or sorcery spell, remove an ice counter from Thing in t...

You may pay {0} rather than pay the mana cost for Zombie creature spells you cast.