+1: Create a 1/1 colorless Servo artifact creature token.+1: The next spell you cast this turn costs less to cast for each artifact you control as you cast it.−7: For each artifact you control, create a token that's a copy of it. Those tokens gain haste. Exile those tokens at the beginning of the next end step.Saheeli, the Gifted can be your commander.
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and no matter when it came under your control.)Equip (: Attach to target creature you control. Equip only as a sorcery.)
Ravenous Slime can't be blocked by creatures with power 2 or less.If a creature an opponent controls would die, instead exile it and put a number of +1/+1 counters equal to that creature's power on Ravenous Slime.
Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)Whenever Silent-Blade Oni deals combat damage to a player, look at that player's hand. You may cast a spell from among those cards without paying its mana cost.
Create X 4/4 white Angel creature tokens with flying.Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)
+2: Untap each enchanted permanent you control.−1: Create a white Aura enchantment token named Mask attached to another target permanent. The token has enchant permanent and umbra armor.−7: Mill seven cards. Return all non-Aura enchantment cards from your graveyard to the battlefield, then do the same for Aura cards.Estrid, the Masked can be your commander.
The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.
Enchant creatureEnchanted creature has base power and toughness 8/8 and has "Whenever this creature attacks, you may tap target creature with power 8 or less."Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
Arixmethes, Slumbering Isle enters tapped with five slumber counters on it.As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)Whenever you cast a spell, you may remove a slumber counter from Arixmethes.: Add .
Enchant creatureEnchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent, you may draw a card."Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
You may have Estrid's Invocation enter as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control."
Improvise (Each artifact you tap after you're done activating mana abilities pays for .)Reveal the top X cards of your library. You may put any number of artifact cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.