When this creature enters, return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield. Creatures you control with mana value 3 or less get +1/+0.
When this creature enters, create a tapped Powerstone token. {1}{B}{R}, Sacrifice another creature or artifact: Until end of turn, other creatures you control get +1/+0 and gain menace and haste.
Whenever you attack, each opponent loses X life and you gain X life, where X is the number of attacking creatures. If Mishra, Claimed by Gix and a creature named Phyrexian Dragon Engine are attacking, and you both own and control them, exile them, then meld them into Mishra, Lost to Phyrexia. It enters tapped and attacking.
{4}, {T}: Discard all the cards in your hand, then draw that many cards. You may choose an artifact or creature card with mana value 1 you discarded this way, then do the same for artifact or creature cards with mana values 2 and 3. Return those cards to the battlefield. Activate only as a sorcery.
[+1]: Scry 1. You may tap an untapped artifact you control. If you do, draw a card. [–2]: Create two 1/1 colorless Thopter artifact creature tokens with flying. They gain haste until end of turn. [–4]: You get an emblem with "Artifact creatures you control get +1/+1" and "Artifact spells you cast cost {1} less to cast."
Reach When this creature enters, you may sacrifice another creature. When you do, destroy target nonland permanent. When this creature dies, you may gain 1 life for each creature card in your graveyard. If you do, exile this card from your graveyard.
Creatures you control have vigilance and "{T}: Surveil 1." {2}{G}{G}{W}{W}{U}{U}, Exile this card from your graveyard: Return any number of target artifact cards with total mana value 10 or less from your graveyard to the battlefield. Activate only as a sorcery.
Artifact, instant, and sorcery spells you cast cost {1} less to cast. {7}: If you both own and control Urza, Lord Protector and an artifact named The Mightstone and Weakstone, exile them, then meld them into Urza, Planeswalker. Activate only as a sorcery.
Artifact creatures you control get +2/+2. {6}: Create a token that's a copy of target artifact you control, except it's a 1/1 Soldier creature in addition to its other types.
The prince consort was happy to let Yotia's coffers fund his extravagant research.
When this creature enters, for each {U}{U} spent to cast it, draw a card. When this creature enters, for each {B}{B} spent to cast it, each opponent discards a card. When this creature enters, for each {R}{R} spent to cast it, it gets +1/+0 and gains trample and haste until end of turn.
This creature enters with three +1/+1 counters on it for each {G}{G} spent to cast it. When this creature enters, choose up to two other target creatures you control. For each {W}{W} spent to cast this creature, put a +1/+1 counter on each of them.
Trample When you cast this spell and whenever this creature attacks, destroy up to one target nonland permanent. Its controller creates a tapped Powerstone token. Unearth {8}
Flying Whenever you cast a noncreature spell, put a +1/+1 counter on this artifact. {2}: This artifact becomes a 1/1 Construct artifact creature until end of turn.
Flash Flying You may cast colorless spells and artifact spells as though they had flash. Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator's power, put a +1/+1 counter on Liberator.