FlyingWhenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.
Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin.Remove three +1/+1 counters from Runaway Steam-Kin: Add .
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)When Venerated Loxodon enters, put a +1/+1 counter on each creature that convoked it.
Whenever you cast an instant or sorcery spell, put a charge counter on Firemind's Research., Remove two charge counters from Firemind's Research: Draw a card., Remove five charge counters from Firemind's Research: It deals 5 damage to any target.
You may look at the top card of your library any time.You may play lands and cast spells from the top of your library.You can't play lands or cast spells from your hand.: Destroy Experimental Frenzy.
Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.
FlyingWhenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.
Create a token that's a copy of target creature you control.Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)