Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.
Activated abilities cost {2} more to activate unless they’re mana abilities.
You may have Progenitor Mimic enter as a copy of any creature on the battlefield, except it has “At the beginning of your upkeep, if this creature isn’t a token, create a token that’s a copy of this creature.”
At the beginning of your first main phase, add X mana of any one color, where X is the number of Shrines you control.
Pack Rat’s power and toughness are each equal to the number of Rats you control. {2}{B}, Discard a card: Create a token that’s a copy of Pack Rat.
Noncreature spells with mana value 4 or greater can’t be cast. Noncreature spells with {X} in their mana costs can’t be cast.
Delirium — This spell costs {2} less to cast as long as there are four or more card types among cards in your graveyard. Destroy target nonland permanent.
{T}: Add one mana of any color. Spend this mana only to cast a Dinosaur spell or activate an ability of a Dinosaur source.
When Contagion Clasp enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Menace {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells. Once during each of your turns, you may cast a Dragon creature spell from your graveyard. Whenever you cast a Dragon creature spell from your graveyard, it gains “When this creature dies, exile it.”
Whenever one or more Demons you control attack a player, you draw a card and lose 1 life. At the beginning of your end step, create a 5/5 black Demon creature token with flying, then mill two cards. If two cards that share all their card types were milled this way, sacrifice Demonic Covenant.
Flying Shroud (This creature can’t be the target of spells or abilities.) All damage that would be dealt to you is dealt to Empyrial Archangel instead.
Flying Other enchantment creatures you control have flying. Whenever you attack a player, create a 1/1 white Glimmer enchantment creature token that’s tapped and attacking that player.