Walking Ballista enters with X +1/+1 counters on it.: Put a +1/+1 counter on Walking Ballista.Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.
Destroy X target artifacts and/or creatures. For each permanent destroyed this way, its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card. Those players put the exiled cards onto the battlefield, then shuffle.
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
Whenever Gonti's Aether Heart or another artifact you control enters, you get (two energy counters).Pay eight , Exile Gonti's Aether Heart: Take an extra turn after this one.
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
Enchant artifact you controlAt the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.
Draw cards equal to the greatest power among creatures you control.You may cast a spell with mana value 5 or less from your hand without paying its mana cost.
As Metallic Mimic enters, choose a creature type.Metallic Mimic is the chosen type in addition to its other types.Each other creature you control of the chosen type enters with an additional +1/+1 counter on it.
