M:tG card similarity search
1UU · Enchantment — Case
At the beginning of your upkeep, surveil 1. To solve — There are fifteen or more cards in your graveyard. (If unsolved, solve at the beginning of your end step.) Solved — Whenever you cast a nonlegendary creature spell, copy that spell. (The copy becomes a token.)
| Name | Mana | Type | Text | 
|---|---|---|---|
| Watchful Radstag | 2G | Creature — Elk Mutant | Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Whenever Watchful Radstag evolves, create a token that's a copy of it. 2/2 | 
| Spell Satchel | 2 | Artifact | Magecraft — Whenever you cast or copy an instant or sorcery spell, put a book counter on Spell Satchel. {T}, Remove a book counter from Spell Satchel: Add {C}. {3}, {T}, Remove three book counters from Spell Satchel: Draw a card. | 
| Assemble from Parts | B | Instant | Target creature card in your graveyard perpetually gains "{1}{B}{B}, Exile this card from your graveyard: Shuffle it into your library. Create a token that's a copy of it, except it's a 4/4 black Zombie in addition to its other types. Activate only as a sorcery." | 
| Brink of Madness | 2BB | Enchantment | At the beginning of your upkeep, if you have no cards in hand, sacrifice Brink of Madness and target opponent discards their hand. | 
| Bringer of the Blue Dawn | 7UU | Creature — Bringer | You may pay {W}{U}{B}{R}{G} rather than pay this spell's mana cost. Trample At the beginning of your upkeep, you may draw two cards. 5/5 | 
| Stoic Sphinx | 2UU | Creature — Sphinx | Flash Flying Stoic Sphinx has hexproof as long as you haven't cast a spell this turn. 5/3 | 
| Soul Tithe | 1W | Enchantment — Aura | Enchant nonland permanent At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where X is its mana value. | 
| Inspirational Antelope | 1G | Creature — Antelope | Legacy — Before the game starts, choose a keyword or ability word and write it below. Spells with __________ you cast cost {1} less to cast. 1/3 | 
| Commander's Authority | 4W | Enchantment — Aura | Enchant creature Enchanted creature has "At the beginning of your upkeep, create a 1/1 white Human creature token." | 
| City of Solitude | 2G | Enchantment | Players can cast spells and activate abilities only during their own turns. |