Whenever you attack, you may sacrifice another creature. When you do, choose two — • Create two 1/1 red and white Soldier creature tokens with haste that are tapped and attacking. • You draw a card and you lose 1 life. • Caesar, Legion's Emperor deals damage equal to the number of creature tokens you control to target opponent.
When Dogmeat enters, mill five cards, then return an Aura or Equipment card from your graveyard to your hand. Whenever a creature you control that's enchanted or equipped attacks, create a Junk token.
Whenever you cast an artifact spell, you get {E}. {T}, Pay {E}: Target creature gets +1/+0 and gains trample and haste until end of turn. {T}, Pay {E}{E}{E}: Draw a card. {T}, Pay {E}{E}{E}{E}{E}: Return target artifact card from your graveyard to the battlefield tapped.
Flying Whenever The Wise Mothman enters or attacks, each player gets a rad counter. Whenever one or more nonland cards are milled, put a +1/+1 counter on each of up to X target creatures, where X is the number of nonland cards milled this way.
Vigilance, trample, haste Whenever Liberty Prime, Recharged attacks or blocks, sacrifice it unless you pay {E}{E}. {2}, {T}, Sacrifice an artifact: You get {E}{E} and draw a card.
When The Master, Transcendent enters, target player gets two rad counters. {T}: Put target creature card in a graveyard that was milled this turn onto the battlefield under your control. It's a green Mutant with base power and toughness 3/3.
Whenever you roll a 4 or higher, create a 3/3 colorless Robot artifact creature token. If you rolled 6 or higher, instead create that token and a Treasure token. {4}, {T}: Roll a six-sided die plus an additional six-sided die for each mana from Treasures spent to activate this ability.
At the beginning of combat on your turn, create a green Aura enchantment token named Settlement attached to up to one target land you control. It has enchant land and "Enchanted land has '{T}: Add one mana of any color.'" Whenever Preston Garvey, Minuteman attacks, untap each enchanted permanent you control.
Enlist Whenever a creature you control attacks, if it enlisted a creature this combat, the creature that attacked gains double strike until end of turn. If that creature's power is 4 or greater, draw a card.
Whenever one or more artifact creatures you control deal combat damage to a player, you get {E}. Pay {E}{E}{E}: Create a tapped 3/3 colorless Robot artifact creature token.
"You needn't be afraid of me. It's my securitrons that are going to kill you." —Mr. House
As Battle of Hoover Dam enters, choose NCR or Legion. • NCR — At the beginning of your end step, return target creature card with mana value 3 or less from your graveyard to the battlefield with a finality counter on it. • Legion — Whenever a creature you control dies, put two +1/+1 counters on target creature you control.
When Brotherhood Outcast enters, choose one — • Return target Aura or Equipment card with mana value 3 or less from your graveyard to the battlefield. • Put a shield counter on target creature.
Metalcraft — {T}: You get {E}. Activate only if you control three or more artifacts. Whenever you get one or more {E} during your turn, creatures you control get +1/+1 until end of turn.
Commanders you control have ward {2}. {T}: Add {W}{W}. Spend this mana only to cast Aura and/or Equipment spells. {T}: Attach target Aura or Equipment you control to target creature you control. Activate only as a sorcery.
Flash Crash Landing — When Commander Sofia Daguerre enters, destroy up to one target legendary permanent. That permanent's controller creates a Junk token.
Enchant creature Enchanted creature has "Whenever this creature attacks alone, it gets +X/+X until end of turn, where X is the number of nonland permanents you control."
Renowned for your extensive support and goodwill, you are idolized by the community.
Enchant opponent When Overencumbered enters, enchanted opponent creates a Clue token, a Food token, and a Junk token. At the beginning of combat on enchanted opponent's turn, that player may pay {1} for each artifact they control. If they don't, creatures can't attack this combat.
First Contact — Whenever Overseer of Vault 76 or another creature you control with power 3 or less enters, put a quest counter on Overseer of Vault 76. At the beginning of combat on your turn, you may remove three quest counters from among permanents you control. When you do, put a +1/+1 counter on each creature you control and they gain vigilance until end of turn.
When Pre-War Formalwear enters, return target creature card with mana value 3 or less from your graveyard to the battlefield and attach Pre-War Formalwear to it. Equipped creature gets +2/+2 and has vigilance. Equip {3}
Flying Whenever another nontoken artifact enters under your control, create a 2/2 white Human Knight creature token with "This creature gets +2/+2 as long as an artifact entered the battlefield under your control this turn." Crew 2
Flash This spell costs {1} less to cast for each creature attacking you. When Sentry Bot enters, you get {E} for each creature attacking you. At the beginning of combat on your turn, you may pay {E}{E}{E}. If you do, put a +1/+1 counter on each creature you control.
The Nuka-Cola Challenge — Whenever one or more creatures you control deal combat damage to a player, put a quest counter on Sierra, Nuka's Biggest Fan and create a Food token. Whenever you sacrifice a Food, target creature you control gets +X/+X until end of turn, where X is the number of quest counters on Sierra.