Removal for creatures or planeswalkers or player removal too
Also, When Garna, the Bloodflame enters the battlefield, return to your hand all creature cards in your graveyard that were put there from anywhere this turn. This is an excellent way to avoid board wipes, or to synergize with Blood-Chin Fanatic in a pinch
A similar trigger applies to tokens, where if one or more tokens are to be created under your control, you instead double that number
Orfeo, the Boulder Rakdos and Bant: Shagrat, Loot Bearer and Galea, Kindler of Hope Gruul and Esper: Meria, Scholar of Antiquity and Arna Kennerd, Skycaptain Selesnya and Grixis: Danitha, New Benalias Light and Tetsuo, Imperial Champion Orzhov and Temur: Ria Ivor, Bane of Bladehold and Pako, Arcane Retriever & Haldan, Avid Arcanist
Sometimes, he gets compared to a Phyrexian Arena but unlike the Arena, you already get that extra card on the turn you summon him