You can cover a face-down manifested creature with this reminder card.
A manifested creature card can be turned face up any time for its mana cost. A face-down card can also be turned face up for its morph or disguise cost.

Large monstrosity, Challenge 3
Armor class 14, Hit Points 68
Speed 30 ft., fly 50 ft.
Attacks Bite, Claw, Tail Spike
STR 17 (+3) DEX 16 (+3) CON 17 (+3)
INT 7 (-2) WIS 12 (+1) CHA 8 (-1)

, , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.

Large construct (inevitable), Challenge 25
Armor Class 22, Hit Points 432
Speed 40 ft., fly 30 ft. (hover)
Attacks Innate Spellcasting, Unerring Slam, Blazing Edict, Justify
STR 28 (+9) DEX 12 (+1) CON 26 (+8)
INT 19 (+4) WIS 15 (+2) CHA 18 (+4)

Flicker your Marvels in and out of exile, triggering "enters” effects.

Enchant permanent
Totem Armor

Casting each member of the Masters of Evil empowers the next.

Discard cards to reap Mayhem rewards and cast spells from your graveyard.

When Meteorite enters, it deals 2 damage to any target.
: Add one mana of any color.

Medium monstrosity (shapechanger), Challenge 2
Armor class 12, Hit Points 58
Speed 15 ft.
Attacks Shapechanger, Adhesive, Pseudopod
STR 17 (+3) DEX 12 (+1) CON 15 (+2)
INT 5 (-3) WIS 13 (+1) CHA 8 (-1)

Medium aberration, Challenge 7
Armor class 15, Hit Points 71
Speed 30 ft.
Attacks Innate Spellcasting (Psionics), Tentacles, Extract Brain, Mind blast
STR 11 (+0) DEX 12 (+1) CON 12 (+1)
INT 19 (+4) WIS 17 (+3) CHA 17 (+3)

Large aberration, Challenge 5
Armor Class 15, Hit Points 75
Speed O ft., fly 20 ft. (hover)
Attacks Bite, Tentacles, Eye Rays
STR 10 (+0) DEX 14 (+2) CON 14 (+2)
INT 15 (+2) WIS 15 (+2) CHA 10 (+0)

Names — Misunderstood / Trapeze / Elf
Art — Straw hat / Acorn / Liliana plushie
2 — Whenever you cast a spell, this creature gets +X/+X until end of turn, where X is the amount of generic mana in that spell's mana cost.
3 — Hexproof
2 — 4/2
4 — 6/6

Small plant, Challenge 1/4
Armor Class 13, Hit Points 9
Speed 30 ft.
Attacks Regeneration, Claws, Sling
STR 7 (-2) DEX 14 (+2) CON 13 (+1)
INT 6 (-2) WIS 11 (+0) CHA 7 (-2)

Enchant creature
Enchanted creature gets +1/+1 and has trample.

You can cover a face-down creature with this reminder card.
A card with morph can be turned face up any time for its morph cost.

When this token leaves the battlefield, it deals 2 damage to any target.

Sing a series of sagas