mtg put cards from hand into library Sleight of — Secret Lair Promo (SLP) | Card Reveal the top five cards of your library Is there a card that

Add in repeatable card advantage with investigations and you have the recipe for a solid commander

11%inclusion 11%synergy 66 decks 600 decks Deflecting Palm 10%inclusion -9%synergy 61 decks 600 decks Gimli's Fury 10%inclusion 10%synergy 60 decks 600 decks Deflecting Swat 10%inclusion -7%synergy 60 decks 600 decks Flare of Fortitude 10%inclusion 3%synergy 57 decks 600 decks Repel the Abominable 9.3%inclusion 9%synergy 56 decks 600 decks Wear // Tear 9.0%inclusion -10%synergy 54 decks 600 decks Rally for the Throne 8.2%inclusion 8%synergy 49 decks 600 decks Your Temple Is Under Attack 7.3%inclusion 4%synergy 44 decks 600 decks Lorehold Charm 7.1%inclusion -5%synergy 10 decks 141 decks Lost to Legend 6.8%inclusion 7%synergy 41 decks 600 decks Disenchant 6.7%inclusion 2%synergy 40 decks 600 decks Clever Concealment 6.3%inclusion -1%synergy 38 decks 600 decks And They Shall Know No Fear 6.2%inclusion 5%synergy 37 decks 600 decks Make a Stand 5.8%inclusion 4%synergy 35 decks 600 decks Lightning Bolt 5.3%inclusion -5%synergy 32 decks 600 decks Great Train Heist 5.2%inclusion 1%synergy 31 decks 600 decks Erode 5.1%inclusion -3%synergy 7 decks 136 decks Lightning Helix 5.0%inclusion -3%synergy 30 decks 600 decks Sorceries Quarrel's End 45%inclusion 44%synergy 269 decks 600 decks Taunt from the Rampart 37%inclusion 30%synergy 222 decks 600 decks Now for Wrath, Now for Ruin

(You can play a land this way only if you have an available land play remaining.) You may look at the top card of your library any time

That said, what I'm most pleased to see is the mention of other Symbiote creatures in the rule text of Venom, Deadly Devourer

114 | Draw X cards