Proteus Staff2U, T: Put target creature on the bottom of its owner's library. That creature's controller reveals cards from the top of his or her library until he or she reveals a creature card. The player puts that card into play and the rest on the bottom of his or her library in any order. Play this ability only any time you could play a sorcery.
Set: Mirrodin
Rarity: Rare
Condition: Moderately Played
Card Number: 230
OmnibianT: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.
Set: Ravnica Allegiance: Guild Kits
Rarity: Rare
Condition: Moderately Played
Card Number: 121
Progenitor MimicYou may have Progenitor Mimic enter the battlefield 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."
Set: Ravnica Allegiance: Guild Kits
Rarity: Mythic
Condition: Moderately Played
Card Number: 123
Snuff OutIf you control a swamp, you may pay 4 life instead of paying Snuff Out’s mana cost.
Destroy target nonblack creature. It can’t be regenerated.
Set: Mercadian Masques
Rarity: Common
Condition: Lightly Played
Card Number: 162
Aurelia, the Law AboveFlying, vigilance, haste
Whenever a player attacks with three or more creatures, you draw a card.
Whenever a player attacks with five or more creatures, Aurelia, the Law Above deals 3 damage to each of your opponents and you gain 3 life.
Set: Promo Pack: Murders at Karlov Manor
Rarity: Rare
Condition: Lightly Played
Card Number: 188
Aurelia, Exemplar of JusticeFlying
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
At the beginning of combat on your turn, choose up to one target creature you control. Until end of turn, that creature gets +2/+0, gains trample if it's red, and gains vigilance if it's white.
Set: Guilds of Ravnica
Rarity: Mythic
Condition: Lightly Played
Card Number: 153
Aegis of the LegionEquipped creature gets +1/+1 and has mentor. (Whenever it attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Whenever equipped creature mentors a creature, put a shield counter on that creature. (If that creature would be dealt damage or destroyed, remove a shield counter from it instead.)
Equip 3
Set: Ravnica: Clue Edition
Rarity: Rare
Condition: Lightly Played
Card Number: 22
Steel SeraphPrototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) 1WW | 3/3
Flying
At the beginning of combat on your turn, target creature you control gains your choice of flying, vigilance, or lifelink until end of turn.
Set: The Brothers' War
Rarity: Rare
Condition: Lightly Played
Card Number: 38
Storm CauldronEach player may play an additional land during each of his or her turns.
Whenever a land is tapped for mana, return it to its owner's hand.
Set: 7th Edition
Rarity: Rare
Condition: Lightly Played
Card Number: 320
Terra, Magical AdeptWhen Terra enters, mill five cards. Put up to one enchantment card milled this way into your hand.
Trance — 4RG, T: Exile Terra, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.
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Esper Terra(As this saga enters and after your draw step, add a lore counter.)
[I] [II] [III] Create a token that's a copy of target nonlegendary enchantment you control. It gains haste. If it's a Saga, put up to three lore counters on it. Sacrifice it at the beginning of your next end step.
[IV] Add WW, UU, BB, RR, GG. Exile Esper Terra, then return it to the battlefield (front face up).
Flying
Set: FINAL FANTASY
Rarity: Mythic
Condition: Lightly Played
Card Number: 245
Angelic GuardianFlying (This creature can't be blocked except by creatures with flying or reach.)
Whenever one or more creatures you control attack, they gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.
Set: Core Set 2020
Rarity: Rare
Condition: Lightly Played
Card Number: 302
ExhumeEach player chooses a creature card in his or her graveyard and puts that creature into play.
Set: Urza's Saga
Rarity: Common
Condition: Lightly Played
Card Number: 134