Defender Tap an untapped Merfolk you control: Vodalian War Machine can attack this turn as though it didn't have defender. Tap an untapped Merfolk you control: Vodalian War Machine gets +2/+1 until end of turn. When Vodalian War Machine dies, destroy all Merfolk tapped this turn to pay for its abilities.
{X}, {T}: The next time you would draw a card this turn, instead look at the top X cards of your library, put all but one of them on the bottom of your library in a random order, then draw a card. X can't be 0.
You may choose not to untap Ashnod's Battle Gear during your untap step. {2}, {T}: Target creature you control gets +2/-2 for as long as Ashnod's Battle Gear remains tapped.
This invention shows why Ashnod was feared by her troops as well as her foes.
{2}, {T}: Put a charge counter on Black Mana Battery. {T}, Remove any number of charge counters from Black Mana Battery: Add {B}, then add an additional {B} for each charge counter removed this way.
{2}, {T}: Put a charge counter on Blue Mana Battery. {T}, Remove any number of charge counters from Blue Mana Battery: Add {U}, then add an additional {U} for each charge counter removed this way.
Remove Bronze Tablet from your deck before playing if you're not playing for ante. Bronze Tablet enters the battlefield tapped. {4}, {T}: Exile Bronze Tablet and target nontoken permanent an opponent owns. That player may pay 10 life. If they do, put Bronze Tablet into its owner's graveyard. Otherwise, that player owns Bronze Tablet and you own the other exiled card.
Trample Goblin Rock Sled doesn't untap during your untap step if it attacked during your last turn. Goblin Rock Sled can't attack unless defending player controls a Mountain.
{2}, {T}: Put a charge counter on Green Mana Battery. {T}, Remove any number of charge counters from Green Mana Battery: Add {G}, then add an additional {G} for each charge counter removed this way.
Island Fish Jasconius doesn't untap during your untap step. At the beginning of your upkeep, you may pay {U}{U}{U}. If you do, untap Island Fish Jasconius. Island Fish Jasconius can't attack unless defending player controls an Island. When you control no Islands, sacrifice Island Fish Jasconius.
"The standard cure for leeches requires the application of burning embers. Alternative methods must be devised should an ember of sufficient size prove more harmful than the leech." —Vervamon the Elder
Blue creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures.
Banding At the beginning of your upkeep, Mishra's War Machine deals 3 damage to you unless you discard a card. If Mishra's War Machine deals damage to you this way, tap it.
Whenever Nafs Asp deals damage to a player, that player loses 1 life at the beginning of their next draw step unless they pay {1} before that draw step.